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

Author: renovate[bot]

.github/workflows/build.yml

@@ -12,14 +12,14 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6
       - 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: Execute Gradle build
         run: ./gradlew build test --stacktrace
       - name: Upload Build Artifact