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

Bumps [minitest](https://github.com/minitest/minitest) from 5.20.0 to 5.21.1.
- [Changelog](https://github.com/minitest/minitest/blob/master/History.rdoc)
- [Commits](https://github.com/minitest/minitest/compare/v5.20.0...v5.21.1)

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

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

Library/Homebrew/Gemfile.lock

@@ -35,7 +35,7 @@ GEM
       simpleidn (~> 0.2)
     language_server-protocol (3.17.0.3)
     method_source (1.0.0)
-    minitest (5.20.0)
+    minitest (5.21.1)
     msgpack (1.7.2)
     mustache (1.1.1)
     netrc (0.11.0)
@@ -181,8 +181,6 @@ GEM
     zeitwerk (2.6.12)
 
 PLATFORMS
-  aarch64-linux
-  arm-linux
   arm64-darwin
   x86_64-darwin
   x86_64-linux