build(deps-dev): bump parallel_tests from 4.9.0 to 4.9.1

Bumps [parallel_tests](https://github.com/grosser/parallel_tests) from 4.9.0 to 4.9.1.
- [Changelog](https://github.com/grosser/parallel_tests/blob/master/CHANGELOG.md)
- [Commits](grosser/parallel_tests@v4.9.0...v4.9.1)

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

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

Gemfile.lock

@@ -358,7 +358,7 @@ GEM
     ostruct (0.6.1)
     pagy (9.3.3)
     parallel (1.26.3)
-    parallel_tests (4.9.0)
+    parallel_tests (4.9.1)
       parallel
     paranoia (3.0.1)
       activerecord (>= 6, < 8.1)