Merge pull request #78 from github/dependabot/bundler/mocha-2.0.4

Bump mocha from 2.0.2 to 2.0.4

Author: khiga8

Gemfile.lock

@@ -44,7 +44,7 @@ GEM
       nokogiri (>= 1.12.0)
     mini_portile2 (2.8.2)
     minitest (5.18.0)
-    mocha (2.0.2)
+    mocha (2.0.4)
       ruby2_keywords (>= 0.0.5)
     nokogiri (1.15.2)
       mini_portile2 (~> 2.8.2)