Merge pull request cloudfoundry#1713 from cloudfoundry/dependabot/bundler/docs/v3/json-2.3.1

build(deps): bump json from 2.3.0 to 2.3.1 in /docs/v3

[Finishes #173604795]

Author: selzoc

docs/v3/Gemfile.lock

@@ -46,7 +46,7 @@ GEM
       uber (~> 0.0.14)
     http_parser.rb (0.6.0)
     i18n (0.7.0)
-    json (2.3.0)
+    json (2.3.1)
     kramdown (1.17.0)
     libv8 (7.3.492.27.1)
     listen (3.0.8)