[Renovate Bot] Update gradle/actions action to v6

Signed-off-by: Renovate Bot for Gradle <bot-gh-dv-shared+renovate@gradle.com>

Author: bot-gh-dv-shared

.github/workflows/gradle-wrapper-validation.yml

@@ -7,5 +7,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
-      - uses: gradle/actions/wrapper-validation@0723195856401067f7a2779048b490ace7a47d7c # v5
+      - uses: gradle/actions/wrapper-validation@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
 

.github/workflows/verify.yml

@@ -31,7 +31,7 @@ jobs:
           java-version: 21
 
       - name: 'Setup Gradle'
-        uses: gradle/actions/setup-gradle@0723195856401067f7a2779048b490ace7a47d7c # v5
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
         with:
           develocity-access-key: ${{ secrets.DEVELOCITY_GRADLE_ORG_ACCESS_KEY }}