Merge branch 'require_ipaddress' into 'master'

Explicitly require `ipaddress` gem

See merge request gitlab-org/gitlab!44460

Gemfile

@@ -517,3 +517,6 @@ gem 'multi_json', '~> 1.14.1'
 gem 'yajl-ruby', '~> 1.4.1', require: 'yajl'
 
 gem 'webauthn', '~> 2.3'
+
+# IPAddress utilities
+gem 'ipaddress', '~> 0.8.3'

Gemfile.lock

@@ -1362,6 +1362,7 @@ DEPENDENCIES
   httparty (~> 0.16.4)
   icalendar
   invisible_captcha (~> 0.12.1)
+  ipaddress (~> 0.8.3)
   jira-ruby (~> 2.0.0)
   js_regex (~> 3.4)
   json (~> 2.3.0)