Bump parallel_tests from 2.27.0 to 2.27.1 in /Library/Homebrew/test

Bumps [parallel_tests](https://github.com/grosser/parallel_tests) from 2.27.0 to 2.27.1.
- [Release notes](https://github.com/grosser/parallel_tests/releases)
- [Commits](https://github.com/grosser/parallel_tests/compare/v2.27.0...v2.27.1

)

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

Library/Homebrew/test/Gemfile.lock

@@ -15,7 +15,7 @@ GEM
     json (2.1.0)
     mustache (1.1.0)
     parallel (1.12.1)
-    parallel_tests (2.27.0)
+    parallel_tests (2.27.1)
       parallel
     parser (2.5.3.0)
       ast (~> 2.4.0)