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

Author: renovate[bot]

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Gradle Wrapper Validation
-        uses: gradle/actions/wrapper-validation@v5
+        uses: gradle/actions/wrapper-validation@v6
 
       - name: Setup gradle
         uses: gradle/gradle-build-action@v3