Bump parallel_tests from 2.30.0 to 2.30.1 (#12901)

Bumps [parallel_tests](https://github.com/grosser/parallel_tests) from 2.30.0 to 2.30.1.
- [Release notes](https://github.com/grosser/parallel_tests/releases)
- [Commits](https://github.com/grosser/parallel_tests/compare/v2.30.0...v2.30.1)

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

Gemfile.lock

@@ -407,7 +407,7 @@ GEM
       av (~> 0.9.0)
       paperclip (>= 2.5.2)
     parallel (1.19.1)
-    parallel_tests (2.30.0)
+    parallel_tests (2.30.1)
       parallel
     parser (2.7.0.2)
       ast (~> 2.4.0)