Merge branch 'vale-relative-links-check-ce' into 'master'

Make sure Vale also tests for /ce/ URLs

See merge request gitlab-org/gitlab!41408

doc/.vale/gitlab/RelativeLinks.yml

@@ -10,4 +10,4 @@ link: https://docs.gitlab.com/ee/development/documentation/styleguide.html#links
 level: error
 scope: raw
 raw:
-  - '\[.+\]\(https?:\/\/docs\.gitlab\.com\/ee.*\)'
+  - '\[.+\]\(https?:\/\/docs\.gitlab\.com\/[ce]e.*\)'