Bump rails-html-sanitizer from 1.0.4 to 1.4.4

Bumps [rails-html-sanitizer](https://github.com/rails/rails-html-sanitizer) from 1.0.4 to 1.4.4.
- [Release notes](https://github.com/rails/rails-html-sanitizer/releases)
- [Changelog](https://github.com/rails/rails-html-sanitizer/blob/master/CHANGELOG.md)
- [Commits](rails/rails-html-sanitizer@v1.0.4...v1.4.4)

---
updated-dependencies:
- dependency-name: rails-html-sanitizer
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -54,7 +54,7 @@ GEM
     builder (3.2.3)
     byebug (10.0.2)
     concurrent-ruby (1.0.5)
-    crass (1.0.5)
+    crass (1.0.6)
     erubi (1.7.1)
     ffi (1.9.25)
     globalid (0.4.1)
@@ -65,7 +65,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.3.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -86,7 +86,7 @@ GEM
       racc (~> 1.4)
     puma (4.3.12)
       nio4r (~> 2.0)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -106,8 +106,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.2.0)
       actionpack (= 5.2.0)
       activesupport (= 5.2.0)