Update gradle/actions action to v4

Author: renovate[bot]

.github/workflows/gradle-wrapper.yaml

@@ -12,4 +12,4 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: gradle/actions/wrapper-validation@v3
+      - uses: gradle/actions/wrapper-validation@v4