Update "labels" wiki page to clarify it's talking about "topics" not labels
This page https://lab.civicrm.org/extensions/extensions-directory/-/wikis/extension-gitlab-labels mentions labels but they are actually "topics" which you set in your extension repo under Settings - General.
Labels in gitlab are just for issues and merge requests.
Gitlab also calls these topics "tags" but that's confusing too because git itself has tags which are a different thing.
I don't have access to edit the wiki page and this repo doesn't seem like it accepts merge requests, so making a ticket here.
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