Merge pull request railsbridge#683 from railsbridge/dependabot/bundler/json-2.6.1

Author: dependabot[bot]

Gemfile.lock

@@ -37,7 +37,7 @@ GEM
     i18n (0.8.1)
     jquery-cdn (2.2.4)
       sprockets (>= 2)
-    json (2.0.3)
+    json (2.6.1)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)