Upgrade GitHub Actions

Author: manuelbl

.github/workflows/ci.yaml

@@ -12,15 +12,15 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Setup JDK 24
-      uses: actions/setup-java@v4
+    - uses: actions/checkout@v6
+    - name: Setup JDK 25
+      uses: actions/setup-java@v5
       with:
-        java-version: '24'
+        java-version: '25'
         distribution: 'temurin'
         cache: maven
     - name: Setup Gradle
-      uses: gradle/actions/setup-gradle@v4
+      uses: gradle/actions/setup-gradle@v5
     - name: Configure unit test GPG key
       run: |
         echo -n "$UNIT_TEST_SIGNING_KEY" | base64 --decode | gpg --import

.github/workflows/windows-int-test.yaml

@@ -11,11 +11,11 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up JDK 24
-      uses: actions/setup-java@v4
+    - uses: actions/checkout@v6
+    - name: Set up JDK 25
+      uses: actions/setup-java@v5
       with:
-        java-version: '24'
+        java-version: '25'
         distribution: 'temurin'
         cache: maven
     - name: Configure unit test GPG key