another annoying gitlab bug i found

Stumbled upon this in
team#31350

howto/gitlab.md

@@ -827,6 +827,7 @@ Known issues:
  * [Confidential issues leak cleartext by email](https://gitlab.torproject.org/tpo/tpa/gitlab/-/issues/23) (see the [Note
    about confidential issues](#note-about-confidential-issues) above)
  * [Wikis are not publicly editable](https://gitlab.torproject.org/tpo/tpa/gitlab/-/issues/76)
+ * [Cannot move issues to projects I do not maintain](https://gitlab.com/gitlab-org/gitlab/-/issues/331610)
 
 ## Monitoring and testing