Update github-pages-health-check to 💎 v1.16.1

Author: hubot

lib/github-pages/dependencies.rb

@@ -17,7 +17,7 @@ class Dependencies
       # Misc
       "liquid"                    => "4.0.0",
       "rouge"                     => "2.2.1",
-      "github-pages-health-check" => "1.16.0",
+      "github-pages-health-check" => "1.16.1",
 
       # Plugins
       "jekyll-redirect-from"   => "0.14.0",