Merge pull request #17 from midwire/dependabot/bundler/json-2.3.1

Bump json from 2.1.0 to 2.3.1

Author: midwire

Gemfile.lock

@@ -17,7 +17,7 @@ GEM
     colored (1.2)
     diff-lcs (1.3)
     docile (1.3.0)
-    json (2.1.0)
+    json (2.3.1)
     kiba (2.0.0)
     method_source (0.8.2)
     optimist (3.0.0)