Bump loofah from 2.10.0 to 2.19.1

Bumps [loofah](https://github.com/flavorjones/loofah) from 2.10.0 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@v2.10.0...v2.19.1)

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

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

Gemfile.lock

@@ -72,7 +72,7 @@ GEM
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.10.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -85,12 +85,12 @@ GEM
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.5.7)
-    nokogiri (1.13.6)
+    nokogiri (1.13.10)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    nokogiri (1.13.6-x86_64-darwin)
+    nokogiri (1.13.10-x86_64-darwin)
       racc (~> 1.4)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (2.2.3.1)
     rack-protection (2.2.0)
       rack