Update rails-html-sanitizer to version 1.4.4

Gemfile

@@ -61,5 +61,4 @@ end
 
 group :production do
   gem "puma"
-  gem "rails_12factor"
 end

Gemfile.lock

@@ -167,7 +167,7 @@ GEM
       addressable (~> 2.7)
     letter_opener (1.7.0)
       launchy (~> 2.2)
-    loofah (2.10.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -178,14 +178,14 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2021.0704)
     mini_mime (1.1.0)
-    mini_portile2 (2.6.1)
+    mini_portile2 (2.8.0)
     minitest (5.14.4)
     momentjs-rails (2.20.1)
       railties (>= 3.1)
     multi_json (1.15.0)
     nio4r (2.5.8)
-    nokogiri (1.12.5)
+    nokogiri (1.13.10)
-      mini_portile2 (~> 2.6.1)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     oath (1.1.0)
       bcrypt
@@ -196,7 +196,7 @@ GEM
     parallel (1.20.1)
     parser (3.0.2.0)
       ast (~> 2.4.1)
-    pg (1.2.3)
+    pg (1.4.5)
     poltergeist (1.18.1)
       capybara (>= 2.1, < 4)
       cliver (~> 0.3.1)
@@ -209,7 +209,7 @@ GEM
     public_suffix (4.0.6)
     puma (5.5.2)
       nio4r (~> 2.0)
-    racc (1.5.2)
+    racc (1.6.1)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -233,13 +233,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
+    rails-html-sanitizer (1.4.4)
-      loofah (~> 2.3)
+      loofah (~> 2.19, >= 2.19.1)
-    rails_12factor (0.0.3)
-      rails_serve_static_assets
-      rails_stdout_logging
-    rails_serve_static_assets (0.0.5)
-    rails_stdout_logging (0.0.5)
     railties (5.2.6)
       actionpack (= 5.2.6)
       activesupport (= 5.2.6)
@@ -384,7 +379,6 @@ DEPENDENCIES
   puma
   rails (~> 5.1)
   rails-controller-testing
-  rails_12factor
   rspec-rails
   rubocop
   ruby_parser

config/environments/production.rb

@@ -71,7 +71,7 @@ DanBarberPhoto::Application.configure do
     authentication: :plain,
     user_name: ENV["SENDGRID_USERNAME"],
     password: ENV["SENDGRID_PASSWORD"],
-    domain: "heroku.com",
+    domain: "heroku.com"
   }
   ActionMailer::Base.delivery_method = :smtp