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

Author: renovate[bot]

.github/workflows/gradle.yml

@@ -17,7 +17,7 @@ jobs:
           java-version: 17
           distribution: 'temurin'
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
       - name: Build with Gradle
         run: ./gradlew build
       - name: Upload a Build Artifact

.github/workflows/release.yml

@@ -28,14 +28,14 @@ jobs:
       with:
         ref: ${{ github.ref }}
     - name: Validate Gradle wrapper
-      uses: gradle/actions/wrapper-validation@v5
+      uses: gradle/actions/wrapper-validation@v6
     - name: Set up JDK 21
       uses: actions/setup-java@v5
       with:
         java-version: '21'
         distribution: 'temurin'
     - name: Setup Gradle
-      uses: gradle/actions/setup-gradle@v5
+      uses: gradle/actions/setup-gradle@v6
     - name: Build with Gradle
       run: ./gradlew build test --stacktrace --scan