Build(deps): Bump mutex_m from 0.2.0 to 0.3.0 (#29865)

Bumps [mutex_m](https://github.com/ruby/mutex_m) from 0.2.0 to 0.3.0.
- [Release notes](https://github.com/ruby/mutex_m/releases)
- [Commits](https://github.com/ruby/mutex_m/compare/v0.2.0...v0.3.0)

---
updated-dependencies:
- dependency-name: mutex_m
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -263,7 +263,7 @@ GEM
     multi_xml (0.7.1)
       bigdecimal (~> 3.1)
     mustache (1.1.1)
-    mutex_m (0.2.0)
+    mutex_m (0.3.0)
     net-http (0.5.0)
       uri
     net-imap (0.5.1)