update dependency rails-html-sanitizer

Author: splashinn

Gemfile.lock

@@ -134,8 +134,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
     railties (5.0.6)
       actionpack (= 5.0.6)
       activesupport (= 5.0.6)