Bump parallel_tests from 4.8.0 to 4.9.0 (#4913)

Bumps [parallel_tests](https://github.com/grosser/parallel_tests) from 4.8.0 to 4.9.0.
- [Changelog](https://github.com/grosser/parallel_tests/blob/master/CHANGELOG.md)
- [Commits](grosser/parallel_tests@v4.8.0...v4.9.0)

---
updated-dependencies:
- dependency-name: parallel_tests
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -440,7 +440,7 @@ GEM
       activerecord (>= 6.1)
       request_store (~> 1.4)
     parallel (1.26.3)
-    parallel_tests (4.8.0)
+    parallel_tests (4.9.0)
       parallel
     paranoia (3.0.0)
       activerecord (>= 6, < 8.1)