Merge pull request #833 from github/jekyll-3.9.2

Bump jekyll to 3.9.2

Author: yoannchaudet

lib/github-pages/dependencies.rb

@@ -7,7 +7,7 @@ module GitHubPages
   class Dependencies
     VERSIONS = {
       # Jekyll
-      "jekyll" => "3.9.0",
+      "jekyll" => "3.9.2",
       "jekyll-sass-converter" => "1.5.2",
 
       # Converters