Update gradle/actions action to v6 (#1990)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version-file: .github/workflows/.java-version
-      - uses: gradle/actions/setup-gradle@v5
+      - uses: gradle/actions/setup-gradle@v6
       - run: ./gradlew build "-PtestGradleVersion=${{ matrix.gradle }}" --stacktrace
 
   # Status check that is required in branch protection rules.
@@ -51,7 +51,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version-file: .github/workflows/.java-version
-      - uses: gradle/actions/setup-gradle@v5
+      - uses: gradle/actions/setup-gradle@v6
         with:
           cache-read-only: true
           dependency-graph: 'generate-submit-and-upload'

.github/workflows/deploy.yml

@@ -15,7 +15,7 @@ jobs:
       pages: write
     steps:
       - uses: actions/checkout@v6
-      - uses: gradle/actions/setup-gradle@v5
+      - uses: gradle/actions/setup-gradle@v6
         with:
           cache-read-only: true
       - name: Prepare API documentation

.github/workflows/links.yml

@@ -23,7 +23,7 @@ jobs:
     if: github.event.repository.fork == false
     steps:
       - uses: actions/checkout@v6
-      - uses: gradle/actions/setup-gradle@v5
+      - uses: gradle/actions/setup-gradle@v6
         with:
           cache-read-only: true
       # This is required for action-linkspector to work with API links.

.github/workflows/release.yml

@@ -19,7 +19,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version-file: .github/workflows/.java-version
-      - uses: gradle/actions/setup-gradle@v5
+      - uses: gradle/actions/setup-gradle@v6
         with:
           cache-read-only: true
       - run: ./gradlew publishToMavenCentral publishPlugins