Merge branch 'docs-admin-rule' into 'master'

Allow for administrative in the rule

See merge request gitlab-org/gitlab!45743

doc/.vale/gitlab/Admin.yml

@@ -10,4 +10,4 @@ link: https://docs.gitlab.com/ee/development/documentation/styleguide.html
 level: warning
 ignorecase: true
 swap:
-  'admin ?\w*': '(?:Admin Area|[Aa]dminist(ration|rator|er))'
+  'admin ?\w*': '(?:Admin Area|[Aa]dminist(ration|rator|er|rative))'