chore(deps): update actions/checkout action to v6

Author: renovate-bot

.github/workflows/codeql-analysis.yml

@@ -19,7 +19,7 @@ jobs:
       matrix:
         language: [ 'go', 'typescript' ]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v5
         with:
           # Avoid https://github.com/github/codeql/issues/13992

.github/workflows/release-beta.yml

@@ -17,7 +17,7 @@ jobs:
       # releases.
       contents: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: bazelbuild/setup-bazelisk@v3
       - name: Check Manifest
         run: |

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/v')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Check Manifest
         run: |
           MANIFEST_VERSION=$(cat manifest.json | python3 -c "import sys, json; print(json.load(sys.stdin)['version'])")

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: bazelbuild/setup-bazelisk@v3
       - uses: actions/cache@v5
         name: Setup Bazel Cache