diff --git a/.github/workflows/aarch64_linux_bazel.yml b/.github/workflows/aarch64_linux_bazel.yml
index 89d14477..fcbd2dd5 100644
--- a/.github/workflows/aarch64_linux_bazel.yml
+++ b/.github/workflows/aarch64_linux_bazel.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Build
         run: make --directory=bazel/ci arm64_build
       - name: Test
diff --git a/.github/workflows/aarch64_linux_cmake.yml b/.github/workflows/aarch64_linux_cmake.yml
index 3e9ed432..9390d837 100644
--- a/.github/workflows/aarch64_linux_cmake.yml
+++ b/.github/workflows/aarch64_linux_cmake.yml
@@ -21,7 +21,7 @@ jobs:
     env:
       TARGET: ${{ matrix.targets[0] }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Build
       run: make --directory=cmake/ci ${TARGET}_build
     - name: Test
diff --git a/.github/workflows/aarch64_linux_zig.yml b/.github/workflows/aarch64_linux_zig.yml
index 522875a2..f2462e9a 100644
--- a/.github/workflows/aarch64_linux_zig.yml
+++ b/.github/workflows/aarch64_linux_zig.yml
@@ -11,7 +11,7 @@ jobs:
           - aarch64-linux-gnu
     runs-on: ubuntu-24.04-arm
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: mlugg/setup-zig@v2
         with:
           version: latest
diff --git a/.github/workflows/amd64_linux_bazel.yml b/.github/workflows/amd64_linux_bazel.yml
index 89db12e9..790d241b 100644
--- a/.github/workflows/amd64_linux_bazel.yml
+++ b/.github/workflows/amd64_linux_bazel.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
       - name: Check docker
diff --git a/.github/workflows/amd64_linux_cmake.yml b/.github/workflows/amd64_linux_cmake.yml
index 5e21b09b..01545423 100644
--- a/.github/workflows/amd64_linux_cmake.yml
+++ b/.github/workflows/amd64_linux_cmake.yml
@@ -12,7 +12,7 @@ jobs:
   make:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Env
       run: make --directory=cmake/ci amd64_env
     - name: Devel
diff --git a/.github/workflows/amd64_linux_zig.yml b/.github/workflows/amd64_linux_zig.yml
index d23da309..fa7ea491 100644
--- a/.github/workflows/amd64_linux_zig.yml
+++ b/.github/workflows/amd64_linux_zig.yml
@@ -11,7 +11,7 @@ jobs:
           - x86_64-linux-gnu
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: mlugg/setup-zig@v2
         with:
           version: latest
diff --git a/.github/workflows/amd64_macos_bazel.yml b/.github/workflows/amd64_macos_bazel.yml
index 0be87495..3cabacbd 100644
--- a/.github/workflows/amd64_macos_bazel.yml
+++ b/.github/workflows/amd64_macos_bazel.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: macos-15-intel  # Using x86 processors
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Bazel
         run: |
           brew update
diff --git a/.github/workflows/amd64_macos_cmake.yml b/.github/workflows/amd64_macos_cmake.yml
index 54ced4fe..c755392e 100644
--- a/.github/workflows/amd64_macos_cmake.yml
+++ b/.github/workflows/amd64_macos_cmake.yml
@@ -15,7 +15,7 @@ jobs:
     env:
       CTEST_OUTPUT_ON_FAILURE: 1
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Check cmake
       run: cmake --version
     - name: Configure
@@ -31,7 +31,7 @@ jobs:
     env:
       CTEST_OUTPUT_ON_FAILURE: 1
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Check cmake
       run: cmake --version
     - name: Configure
diff --git a/.github/workflows/amd64_macos_zig.yml b/.github/workflows/amd64_macos_zig.yml
index 2022d599..be11eda9 100644
--- a/.github/workflows/amd64_macos_zig.yml
+++ b/.github/workflows/amd64_macos_zig.yml
@@ -10,7 +10,7 @@ jobs:
           - x86_64-macos-none
     runs-on: macos-15-intel  # Using x86 processors
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: mlugg/setup-zig@v2
         with:
           version: latest
diff --git a/.github/workflows/amd64_windows_bazel.yml b/.github/workflows/amd64_windows_bazel.yml
index aaa1f3dc..d3d7380c 100644
--- a/.github/workflows/amd64_windows_bazel.yml
+++ b/.github/workflows/amd64_windows_bazel.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Bazel
         run: |
           choco install bazel
diff --git a/.github/workflows/amd64_windows_cmake.yml b/.github/workflows/amd64_windows_cmake.yml
index f73f5477..63d971cd 100644
--- a/.github/workflows/amd64_windows_cmake.yml
+++ b/.github/workflows/amd64_windows_cmake.yml
@@ -14,7 +14,7 @@ jobs:
     env:
       CTEST_OUTPUT_ON_FAILURE: 1
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Configure
       run: cmake -S. -Bbuild -G "Visual Studio 17 2022" -DCMAKE_CONFIGURATION_TYPES=Release
     - name: Build
diff --git a/.github/workflows/amd64_windows_zig.yml b/.github/workflows/amd64_windows_zig.yml
index e967aacd..76701a95 100644
--- a/.github/workflows/amd64_windows_zig.yml
+++ b/.github/workflows/amd64_windows_zig.yml
@@ -10,7 +10,7 @@ jobs:
           - x86_64-windows-gnu
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: mlugg/setup-zig@v2
         with:
           version: latest
diff --git a/.github/workflows/arm64_macos_bazel.yml b/.github/workflows/arm64_macos_bazel.yml
index 9ca6fe77..7a3e4ed0 100644
--- a/.github/workflows/arm64_macos_bazel.yml
+++ b/.github/workflows/arm64_macos_bazel.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: macos-latest # Using M1 processors, ref: https://github.com/actions/runner-images
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Bazel
         run: |
           brew update
diff --git a/.github/workflows/arm64_macos_cmake.yml b/.github/workflows/arm64_macos_cmake.yml
index e76b356d..3537b8c3 100644
--- a/.github/workflows/arm64_macos_cmake.yml
+++ b/.github/workflows/arm64_macos_cmake.yml
@@ -15,7 +15,7 @@ jobs:
     env:
       CTEST_OUTPUT_ON_FAILURE: 1
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Check cmake
       run: cmake --version
     - name: Configure
@@ -31,7 +31,7 @@ jobs:
     env:
       CTEST_OUTPUT_ON_FAILURE: 1
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Check cmake
       run: cmake --version
     - name: Configure
diff --git a/.github/workflows/arm64_macos_zig.yml b/.github/workflows/arm64_macos_zig.yml
index 20b9c721..2d973b0f 100644
--- a/.github/workflows/arm64_macos_zig.yml
+++ b/.github/workflows/arm64_macos_zig.yml
@@ -10,7 +10,7 @@ jobs:
           - aarch64-macos-none
     runs-on: macos-latest  # Using M1 processors
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: mlugg/setup-zig@v2
         with:
           version: latest
diff --git a/.github/workflows/arm_linux_cmake.yml b/.github/workflows/arm_linux_cmake.yml
index a6b27084..77f3bdb4 100644
--- a/.github/workflows/arm_linux_cmake.yml
+++ b/.github/workflows/arm_linux_cmake.yml
@@ -21,7 +21,7 @@ jobs:
     env:
       TARGET: ${{ matrix.targets[0] }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Build
       run: make --directory=cmake/ci ${TARGET}_build
     - name: Test
diff --git a/.github/workflows/clang_format.yml b/.github/workflows/clang_format.yml
index 437ced29..0525c860 100644
--- a/.github/workflows/clang_format.yml
+++ b/.github/workflows/clang_format.yml
@@ -7,7 +7,7 @@ jobs:
   clang-format:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Fetch origin/main
       run: git fetch origin main
     - name: List of changed file(s)
diff --git a/.github/workflows/mips_linux_cmake.yml b/.github/workflows/mips_linux_cmake.yml
index 5d83d04e..5f755f73 100644
--- a/.github/workflows/mips_linux_cmake.yml
+++ b/.github/workflows/mips_linux_cmake.yml
@@ -23,7 +23,7 @@ jobs:
     env:
       TARGET: ${{ matrix.targets[0] }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Build
       run: make --directory=cmake/ci ${TARGET}_build
     - name: Test
diff --git a/.github/workflows/power_linux_cmake.yml b/.github/workflows/power_linux_cmake.yml
index 26d4aa85..3baf7641 100644
--- a/.github/workflows/power_linux_cmake.yml
+++ b/.github/workflows/power_linux_cmake.yml
@@ -22,7 +22,7 @@ jobs:
     env:
       TARGET: ${{ matrix.targets[0] }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Build
       run: make --directory=cmake/ci ${TARGET}_build
     - name: Test
diff --git a/.github/workflows/riscv_linux_cmake.yml b/.github/workflows/riscv_linux_cmake.yml
index 75b23fbc..6282a818 100644
--- a/.github/workflows/riscv_linux_cmake.yml
+++ b/.github/workflows/riscv_linux_cmake.yml
@@ -21,7 +21,7 @@ jobs:
     env:
       TARGET: ${{ matrix.targets[0] }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Build
       run: make --directory=cmake/ci ${TARGET}_build
     - name: Test
diff --git a/.github/workflows/s390x_linux_cmake.yml b/.github/workflows/s390x_linux_cmake.yml
index a470df71..ec8553e4 100644
--- a/.github/workflows/s390x_linux_cmake.yml
+++ b/.github/workflows/s390x_linux_cmake.yml
@@ -20,7 +20,7 @@ jobs:
     env:
       TARGET: ${{ matrix.targets[0] }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Build
       run: make --directory=cmake/ci ${TARGET}_build
     - name: Test
diff --git a/.github/workflows/zig.yml b/.github/workflows/zig.yml
index 777ffbac..37b0e5a8 100644
--- a/.github/workflows/zig.yml
+++ b/.github/workflows/zig.yml
@@ -6,7 +6,7 @@ jobs:
   zig-fmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: mlugg/setup-zig@v2
         with:
           version: latest