Bump rails-html-sanitizer from 1.4.3 to 1.4.4 (#31)

Bumps [rails-html-sanitizer](https://github.com/rails/rails-html-sanitizer) from 1.4.3 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@v1.4.3...v1.4.4)

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

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Gemfile.lock

@@ -114,8 +114,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.3)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (6.0.0)
       actionpack (= 6.0.0)
       activesupport (= 6.0.0)