deps: update actions/setup-java action to v4 (#1629)

* deps: update actions/setup-java action to v4 * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md --------- Co-authored-by: Lawrence Qiu <lawrenceqiu@google.com> Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: 3 people

.github/workflows/unmanaged_dependency_check.yaml

@@ -5,8 +5,8 @@ jobs:
  unmanaged_dependency_check:
  runs-on: ubuntu-latest
  steps:
+ - uses: actions/setup-java@v4
  - uses: actions/checkout@v4
- - uses: actions/setup-java@v3
  with:
  distribution: temurin
  java-version: 11