Bump loofah from 2.9.0 to 2.19.1

Bumps [loofah](https://github.com/flavorjones/loofah) from 2.9.0 to 2.19.1.
- [Release notes](https://github.com/flavorjones/loofah/releases)
- [Changelog](https://github.com/flavorjones/loofah/blob/main/CHANGELOG.md)
- [Commits](flavorjones/loofah@v2.9.0...v2.19.1)

---
updated-dependencies:
- dependency-name: loofah
  dependency-type: indirect
...

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

Gemfile.lock

@@ -152,7 +152,7 @@ GEM
     listen (3.4.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.9.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -194,7 +194,7 @@ GEM
       activesupport (>= 3.0.0)
     pundit-matchers (1.6.0)
       rspec-rails (>= 3.0.0)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (2.2.3)
     rack-mini-profiler (3.0.0)
       rack (>= 1.2.0)