Build(deps-dev): Bump minitest from 5.14.1 to 5.14.2

Bumps [minitest](https://github.com/seattlerb/minitest) from 5.14.1 to 5.14.2.
- [Release notes](https://github.com/seattlerb/minitest/releases)
- [Changelog](https://github.com/seattlerb/minitest/blob/master/History.rdoc)
- [Commits](minitest/minitest@v5.14.1...v5.14.2)

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

Gemfile.lock

@@ -193,7 +193,7 @@ GEM
     mini_sql (0.3)
     mini_suffix (0.3.0)
       ffi (~> 1.9)
-    minitest (5.14.1)
+    minitest (5.14.2)
     mocha (1.11.2)
     mock_redis (0.26.0)
     msgpack (1.3.3)