Merge pull request #12 from jnareb/dependabot/bundler/docs/addressable-2.8.1

Bump addressable from 2.7.0 to 2.8.1 in /docs following dependabot recommendation

Author: jnareb

docs/Gemfile.lock

@@ -7,8 +7,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2, >= 2.2.2)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs