Improve searchability

People will still search for bug tracker, see #17583.

wiki/src/contribute.mdwn

@@ -132,7 +132,7 @@ Tools for contributors
 
   - Source code: [[Git repositories|contribute/git]]
   - [[!tails_roadmap desc="Roadmap"]]
-  - [[GitLab|contribute/working_together/GitLab]]
+  - [[GitLab bug tracker|contribute/working_together/GitLab]]
   - [[Starter tasks|starter_tasks]] for new contributors
   - [[Building a Tails image|contribute/build]]
     - [[Build a local copy of the website|contribute/build/website]]

wiki/src/contribute/working_together/GitLab.mdwn

+[[!meta title="GitLab bug tracker"]]
+
 Tails issues and code are managed in [[!tails_gitlab "" desc="GitLab"]].
 
 This page focuses on aspects of GitLab usage that are specific to Tails.