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

Bumps [parallel_tests](https://github.com/grosser/parallel_tests) from 3.8.1 to 3.10.0.
- [Release notes](https://github.com/grosser/parallel_tests/releases)
- [Changelog](https://github.com/grosser/parallel_tests/blob/master/CHANGELOG.md)
- [Commits](https://github.com/grosser/parallel_tests/compare/v3.8.1...v3.10.0)

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

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

Library/Homebrew/Gemfile.lock

@@ -66,7 +66,7 @@ GEM
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     parallel (1.22.1)
-    parallel_tests (3.8.1)
+    parallel_tests (3.10.0)
       parallel
     parlour (8.0.0)
       commander (~> 4.5)