Merge pull request #559 from Shopify/dependabot/bundler/minitest-5.19.0

Author: sambostock

Gemfile.lock

@@ -14,7 +14,7 @@ GEM
     json (2.6.3)
     language_server-protocol (3.17.0.3)
     method_source (1.0.0)
-    minitest (5.18.1)
+    minitest (5.19.0)
     parallel (1.23.0)
     parser (3.2.2.3)
       ast (~> 2.4.1)