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](rails/rails-html-sanitizer@v1.4.3...v1.4.4)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -271,7 +271,7 @@ GEM
     lcsort (0.9.1)
     library_stdnums (1.6.0)
     libv8 (3.16.14.19)
-    loofah (2.19.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -342,8 +342,8 @@ 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 (5.2.7)
       actionpack (= 5.2.7)
       activesupport (= 5.2.7)