Bump minitest from 5.21.1 to 5.21.2

Bumps [minitest](https://github.com/minitest/minitest) from 5.21.1 to 5.21.2.
- [Changelog](https://github.com/minitest/minitest/blob/master/History.rdoc)
- [Commits](minitest/minitest@v5.21.1...v5.21.2)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -41,7 +41,7 @@ GEM
     loofah (2.21.4)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    minitest (5.21.1)
+    minitest (5.21.2)
     mutex_m (0.2.0)
     nokogiri (1.15.4-arm64-darwin)
       racc (~> 1.4)