Update markdown-it

Gemfile

@@ -93,10 +93,10 @@ gem "js-routes",         "1.1.2"
 source "https://rails-assets.org" do
   gem "rails-assets-jquery",                              "1.11.2" # Should be kept in sync with jquery-rails
 
-  gem "rails-assets-markdown-it",                         "4.4.0"
-  gem "rails-assets-markdown-it-hashtag",                 "0.3.1"
-  gem "rails-assets-markdown-it-diaspora-mention",        "0.3.0"
-  gem "rails-assets-markdown-it-sanitizer",               "0.3.1"
+  gem "rails-assets-markdown-it",                         "5.0.0"
+  gem "rails-assets-markdown-it-hashtag",                 "0.4.0"
+  gem "rails-assets-markdown-it-diaspora-mention",        "0.4.0"
+  gem "rails-assets-markdown-it-sanitizer",               "0.4.0"
   gem "rails-assets-markdown-it--markdown-it-for-inline", "0.1.1"
   gem "rails-assets-markdown-it-sub",                     "1.0.0"
   gem "rails-assets-markdown-it-sup",                     "1.0.0"

Gemfile.lock

@@ -556,10 +556,10 @@ GEM
     rails-assets-jquery.ui (1.11.4)
       rails-assets-jquery (>= 1.6)
     rails-assets-markdown-it--markdown-it-for-inline (0.1.1)
-    rails-assets-markdown-it (4.4.0)
-    rails-assets-markdown-it-diaspora-mention (0.3.0)
-    rails-assets-markdown-it-hashtag (0.3.1)
-    rails-assets-markdown-it-sanitizer (0.3.1)
+    rails-assets-markdown-it (5.0.0)
+    rails-assets-markdown-it-diaspora-mention (0.4.0)
+    rails-assets-markdown-it-hashtag (0.4.0)
+    rails-assets-markdown-it-sanitizer (0.4.0)
     rails-assets-markdown-it-sub (1.0.0)
     rails-assets-markdown-it-sup (1.0.0)
     rails-assets-perfect-scrollbar (0.6.5)
@@ -837,11 +837,11 @@ DEPENDENCIES
   rails-assets-jquery (= 1.11.2)!
   rails-assets-jquery-placeholder (= 2.1.2)!
   rails-assets-jquery-textchange (= 0.2.3)!
-  rails-assets-markdown-it (= 4.4.0)!
+  rails-assets-markdown-it (= 5.0.0)!
   rails-assets-markdown-it--markdown-it-for-inline (= 0.1.1)!
-  rails-assets-markdown-it-diaspora-mention (= 0.3.0)!
-  rails-assets-markdown-it-hashtag (= 0.3.1)!
-  rails-assets-markdown-it-sanitizer (= 0.3.1)!
+  rails-assets-markdown-it-diaspora-mention (= 0.4.0)!
+  rails-assets-markdown-it-hashtag (= 0.4.0)!
+  rails-assets-markdown-it-sanitizer (= 0.4.0)!
   rails-assets-markdown-it-sub (= 1.0.0)!
   rails-assets-markdown-it-sup (= 1.0.0)!
   rails-assets-perfect-scrollbar (= 0.6.5)!