Bump minitest from 5.21.2 to 5.22.0

Bumps [minitest](https://github.com/minitest/minitest) from 5.21.2 to 5.22.0.
- [Changelog](https://github.com/minitest/minitest/blob/master/History.rdoc)
- [Commits](minitest/minitest@v5.21.2...v5.22.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile

@@ -14,7 +14,7 @@ group :development, :install do
 end
 
 group :development, :test do
-  gem 'minitest', '~> 5.21'
+  gem 'minitest', '~> 5.22'
   gem 'rake', '~> 13.1'
 end
 

Gemfile.lock

@@ -13,7 +13,7 @@ GEM
     docopt (0.6.1)
     json (2.7.1)
     language_server-protocol (3.17.0.3)
-    minitest (5.21.2)
+    minitest (5.22.0)
     paint (2.3.0)
     parallel (1.24.0)
     parser (3.3.0.5)
@@ -48,7 +48,7 @@ DEPENDENCIES
   bundler (~> 2.1)
   commonmarker (~> 0.23)
   docopt (~> 0.6)
-  minitest (~> 5.21)
+  minitest (~> 5.22)
   paint (~> 2.3)
   rabid!
   rake (~> 13.1)