Bump rails-html-sanitizer from 1.3.0 to 1.4.4 (#338)

Bumps [rails-html-sanitizer](https://github.com/rails/rails-html-sanitizer) from 1.3.0 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@v1.3.0...v1.4.4)

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

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -206,7 +206,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.4.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.12)
@@ -219,7 +219,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_mime (1.0.0)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.14.0)
     momentjs-rails (2.20.1)
       railties (>= 3.1)
@@ -230,8 +230,9 @@ GEM
     nenv (0.3.0)
     netrc (0.11.0)
     nio4r (2.2.0)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -269,6 +270,7 @@ GEM
     public_suffix (3.0.2)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
+    racc (1.6.1)
     rack (2.2.3.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -291,8 +293,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.1.5)
       actionpack (= 5.1.5)
       activesupport (= 5.1.5)