Bump parallel_tests from 4.3.0 to 4.4.0 (#473)

Bumps [parallel_tests](https://github.com/grosser/parallel_tests) from 4.3.0 to 4.4.0.
- [Changelog](https://github.com/grosser/parallel_tests/blob/master/CHANGELOG.md)
- [Commits](grosser/parallel_tests@v4.3.0...v4.4.0)

---
updated-dependencies:
- dependency-name: parallel_tests
  dependency-type: direct:development
  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>

Gemfile.lock

@@ -25,7 +25,7 @@ GEM
       iniparse (~> 1.4)
       rexml (~> 3.2)
     parallel (1.24.0)
-    parallel_tests (4.3.0)
+    parallel_tests (4.4.0)
       parallel
     parser (3.2.2.4)
       ast (~> 2.4.1)