Build(deps-dev): Bump minitest from 5.14.3 to 5.14.4 (#12202)

Bumps [minitest](https://github.com/seattlerb/minitest) from 5.14.3 to 5.14.4.
- [Release notes](https://github.com/seattlerb/minitest/releases)
- [Changelog](https://github.com/seattlerb/minitest/blob/master/History.rdoc)
- [Commits](https://github.com/seattlerb/minitest/compare/v5.14.3...v5.14.4)

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

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

Gemfile.lock

@@ -213,7 +213,7 @@ GEM
     mini_sql (1.0.1)
     mini_suffix (0.3.2)
       ffi (~> 1.9)
-    minitest (5.14.3)
+    minitest (5.14.4)
     mocha (1.12.0)
     mock_redis (0.27.3)
       ruby2_keywords