Bump gradle/actions from 3 to 4

Bumps [gradle/actions](https://github.com/gradle/actions) from 3 to 4.
- [Release notes](https://github.com/gradle/actions/releases)
- [Commits](gradle/actions@v3...v4)

---
updated-dependencies:
- dependency-name: gradle/actions
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/CI.yml

@@ -24,7 +24,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-gradle-
       # https://github.com/gradle/actions
-      - uses: gradle/actions/wrapper-validation@v3
+      - uses: gradle/actions/wrapper-validation@v4
       # https://github.com/actions/setup-java
       - uses: actions/setup-java@v4
         with: