Update minitest requirement from ~> 5.21.1 to ~> 5.22.2

Updates the requirements on [minitest](https://github.com/minitest/minitest) to permit the latest version.
- [Changelog](https://github.com/minitest/minitest/blob/master/History.rdoc)
- [Commits](minitest/minitest@v5.21.2...v5.22.2)

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

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

Gemfile.lock

@@ -44,7 +44,7 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mini_portile2 (2.8.5)
-    minitest (5.21.2)
+    minitest (5.22.2)
     mocha (2.1.0)
       ruby2_keywords (>= 0.0.5)
     nokogiri (1.16.2)
@@ -104,7 +104,7 @@ PLATFORMS
 DEPENDENCIES
   erb_lint (~> 0.5.0)
   erblint-github!
-  minitest (~> 5.21.1)
+  minitest (~> 5.22.2)
   mocha (~> 2.1.0)
   rake (~> 13.1.0)
   rubocop (= 1.60.2)

erblint-github.gemspec

@@ -17,7 +17,7 @@ Gem::Specification.new do |s|
   s.authors = ["GitHub Open Source"]
 
   s.add_development_dependency "erb_lint", "~> 0.5.0"
-  s.add_development_dependency "minitest", "~> 5.21.1"
+  s.add_development_dependency "minitest", "~> 5.22.2"
   s.add_development_dependency "mocha", "~> 2.1.0"
   s.add_development_dependency "rake", "~> 13.1.0"