Bump parallel_tests from 4.6.1 to 4.7.0 (#16473)

Bumps [parallel_tests](https://github.com/grosser/parallel_tests) from 4.6.1 to 4.7.0.
- [Changelog](https://github.com/grosser/parallel_tests/blob/master/CHANGELOG.md)
- [Commits](grosser/parallel_tests@v4.6.1...v4.7.0)

---
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

@@ -692,7 +692,7 @@ GEM
     os (1.1.4)
     ox (2.14.18)
     parallel (1.24.0)
-    parallel_tests (4.6.1)
+    parallel_tests (4.7.0)
       parallel
     parser (3.3.0.5)
       ast (~> 2.4.1)