chore(deps-dev): bump minitest from 5.20.0 to 5.21.2

Bumps [minitest](https://github.com/minitest/minitest) from 5.20.0 to 5.21.2.
- [Changelog](https://github.com/minitest/minitest/blob/master/History.rdoc)
- [Commits](minitest/minitest@v5.20.0...v5.21.2)

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

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

Gemfile.lock

@@ -14,7 +14,7 @@ GEM
       google-protobuf (~> 3.18)
     json (2.6.3)
     language_server-protocol (3.17.0.3)
-    minitest (5.20.0)
+    minitest (5.21.2)
     opentelemetry-api (1.2.3)
     opentelemetry-common (0.20.0)
       opentelemetry-api (~> 1.0)