Bump actions/download-artifact from 4.1.8 to 4.1.9 (#609)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4.1.8 to 4.1.9.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@fa0a91b...cc20338)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/pr-test-coverage.yml

@@ -18,7 +18,7 @@ jobs:
         && github.event.workflow_run.conclusion == 'success'
     steps:
     - name: Download PR test coverage report
-      uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # tag=v4.1.8
+      uses: actions/download-artifact@cc203385981b70ca67e1cc392babf9cc229d5806 # tag=v4.1.9
       with:
         name: pr-test-coverage-report-java-21
         github-token: ${{ secrets.GITHUB_TOKEN }}