chore: bump gradle/actions from 4.1.0 to 4.2.1 in /actions/java_prepa…

…re (#122)

Bumps [gradle/actions](https://github.com/gradle/actions) from 4.1.0 to 4.2.1.
- [Release notes](https://github.com/gradle/actions/releases)
- [Commits](gradle/actions@d156388...cc4fc85)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

actions/java_prepare/action.yml

@@ -20,6 +20,6 @@ runs:
         # Not using `cache: gradle` because `setup-gradle` action takes care of it
         # ref: https://github.com/gradle/actions/blob/main/docs/setup-gradle.md#incompatibility-with-other-caching-mechanisms
     - name: Set up Gradle
-      uses: gradle/actions/setup-gradle@d156388eb19639ec20ade50009f3d199ce1e2808 # v4.1.0
+      uses: gradle/actions/setup-gradle@cc4fc85e6b35bafd578d5ffbc76a5518407e1af0 # v4.2.1
       with:
         add-job-summary: "on-failure"