Bump minitest from 5.14.2 to 5.14.4 (#285)

Bumps [minitest](https://github.com/seattlerb/minitest) from 5.14.2 to 5.14.4.
- [Release notes](https://github.com/seattlerb/minitest/releases)
- [Changelog](https://github.com/seattlerb/minitest/blob/master/History.rdoc)
- [Commits](minitest/minitest@v5.14.2...v5.14.4)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: Dillon Welch <daw0328@gmail.com>

Gemfile.lock

@@ -103,7 +103,7 @@ GEM
     mimemagic (0.3.5)
     mini_mime (1.0.2)
     mini_portile2 (2.5.0)
-    minitest (5.14.2)
+    minitest (5.14.4)
     minitest-rails (5.2.0)
       minitest (~> 5.10)
       railties (~> 5.2.0)