Forbid git pushes to group wikis when repo is read only
What does this MR do?
n the epic &5166 (closed) we implemented all the logic to move group wikis repositories from one shard to another. We also need to forbid repository pushes when the group wiki repository is read-only (we can allow read access to the repo).
In this MR we implement this logic.
Does this MR meet the acceptance criteria?
Conformity
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Changelog entry -
Code review guidelines -
Merge request performance guidelines -
Style guides -
Separation of EE specific content
Related to #300291 (closed)
Edited by Francisco Javier López (ex-Gitlab)