build(deps-dev): bump parallel_tests in /Library/Homebrew

Bumps [parallel_tests](https://github.com/grosser/parallel_tests) from 4.8.0 to 4.9.0.
- [Changelog](https://github.com/grosser/parallel_tests/blob/master/CHANGELOG.md)
- [Commits](grosser/parallel_tests@v4.8.0...v4.9.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Library/Homebrew/Gemfile.lock

@@ -29,7 +29,7 @@ GEM
     minitest (5.25.4)
     netrc (0.11.0)
     parallel (1.26.3)
-    parallel_tests (4.8.0)
+    parallel_tests (4.9.0)
       parallel
     parser (3.3.6.0)
       ast (~> 2.4.1)
@@ -149,7 +149,6 @@ GEM
 
 PLATFORMS
   aarch64-linux
-  arm-linux
   arm64-darwin
   x86_64-darwin
   x86_64-linux