Bump rails-html-sanitizer from 1.4.3 to 1.4.4

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](https://github.com/rails/rails-html-sanitizer/compare/v1.4.3...v1.4.4)

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

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

Gemfile.lock

@@ -336,8 +336,8 @@ 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)
     rails-i18n (7.0.6)
       i18n (>= 0.7, < 2)
       railties (>= 6.0.0, < 8)