Bump nokogiri from 1.11.0 to 1.11.4

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.11.0 to 1.11.4.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.11.0...v1.11.4)

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

Gemfile

@@ -12,7 +12,7 @@ gem "haml"
 gem "haml-rails"
 gem 'listen'
 gem 'newrelic_rpm'
-gem 'nokogiri', '~> 1.11.0'
+gem 'nokogiri', '~> 1.11.4'
 gem "omniauth"
 gem 'omniauth-github'
 gem 'octokit'

Gemfile.lock

@@ -138,9 +138,11 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
-    mini_portile2 (2.5.0)
+    mini_portile2 (2.5.1)
     minitest (5.14.1)
     multi_json (1.15.0)
     multi_xml (0.6.0)
@@ -149,7 +151,7 @@ GEM
       ruby2_keywords (~> 0.0.1)
     newrelic_rpm (6.12.0.367)
     nio4r (2.5.2)
-    nokogiri (1.11.0)
+    nokogiri (1.11.4)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     oauth2 (1.4.4)
@@ -314,7 +316,7 @@ DEPENDENCIES
   jquery-rails
   listen
   newrelic_rpm
-  nokogiri (~> 1.11.0)
+  nokogiri (~> 1.11.4)
   octokit
   omniauth
   omniauth-github