Update jekyll-remote-theme to 💎 v0.4.3

Author: hubot

lib/github-pages/dependencies.rb

@@ -30,7 +30,7 @@ class Dependencies
       "jekyll-seo-tag" => "2.7.1",
       "jekyll-github-metadata" => "2.13.0",
       "jekyll-avatar" => "0.7.0",
-      "jekyll-remote-theme" => "0.4.2",
+      "jekyll-remote-theme" => "0.4.3",
 
       # Plugins to match GitHub.com Markdown
       "jemoji" => "0.12.0",