Merge pull request #273 from mruby/dependabot/bundler/concurrent-ruby-1.3.7

Bump concurrent-ruby from 1.3.6 to 1.3.7

Author: matz

Gemfile.lock

@@ -7,7 +7,7 @@ GEM
     bigdecimal (4.1.1)
     coderay (1.1.3)
     colorator (1.1.0)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     csv (3.3.5)
     date (3.5.1)
     em-websocket (0.5.3)