Merge pull request #605 from Shopify/dependabot/bundler/minitest-5.21.2

Bump minitest from 5.21.1 to 5.21.2

Author: sambostock

Gemfile.lock

@@ -14,7 +14,7 @@ GEM
     json (2.7.1)
     language_server-protocol (3.17.0.3)
     method_source (1.0.0)
-    minitest (5.21.1)
+    minitest (5.21.2)
     parallel (1.24.0)
     parser (3.3.0.3)
       ast (~> 2.4.1)