Merge pull request cloudfoundry#1753 from cloudfoundry/dependabot/bundler/docs/v3/mini_racer-0.3.1

build(deps): bump mini_racer from 0.2.15 to 0.3.1 in /docs/v3


[Finishes #173960539]

Author: selzoc

docs/v3/Gemfile.lock

@@ -48,7 +48,7 @@ GEM
     i18n (0.7.0)
     json (2.3.1)
     kramdown (1.17.0)
-    libv8 (7.3.492.27.1)
+    libv8 (8.4.255.0)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -96,8 +96,8 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
     mini_portile2 (2.4.0)
-    mini_racer (0.2.15)
-      libv8 (> 7.3)
+    mini_racer (0.3.1)
+      libv8 (~> 8.4.255)
     minitest (5.14.0)
     multi_json (1.14.1)
     nokogiri (1.10.10)