Bump loofah from 2.2.2 to 2.2.3

Bumps [loofah](https://github.com/flavorjones/loofah) from 2.2.2 to 2.2.3.
- [Release notes](https://github.com/flavorjones/loofah/releases)
- [Changelog](https://github.com/flavorjones/loofah/blob/master/CHANGELOG.md)
- [Commits](flavorjones/loofah@v2.2.2...v2.2.3)

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

Author: dependabot[bot]

Gemfile.lock

@@ -119,7 +119,7 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.2.2)
+    loofah (2.2.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -130,16 +130,16 @@ GEM
     mimemagic (0.3.2)
     mini_magick (4.9.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     mini_racer (0.2.3)
       libv8 (>= 6.3)
     minitest (5.11.3)
     msgpack (1.2.4)
     multi_json (1.13.1)
     multipart-post (2.0.0)
     nio4r (2.3.1)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     paper_trail (10.0.1)
       activerecord (>= 4.2, < 5.3)
       request_store (~> 1.1)