chore(deps): bump minitest from 5.23.1 to 5.24.0

Bumps [minitest](https://github.com/minitest/minitest) from 5.23.1 to 5.24.0.
- [Changelog](https://github.com/minitest/minitest/blob/master/History.rdoc)
- [Commits](minitest/minitest@v5.23.1...v5.24.0)

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

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

Gemfile.lock

@@ -171,7 +171,7 @@ GEM
     matrix (0.4.2)
     mini_mime (1.1.5)
     mini_portile2 (2.8.7)
-    minitest (5.23.1)
+    minitest (5.24.0)
     minitest-ci (3.4.0)
       minitest (>= 5.0.6)
     msgpack (1.7.2)