Update NamespaceStatistics after wiki update
What does this MR do?
In this MR we add the logic to update NamespaceStatistics when the wiki is updated. We need to add the update inside a worker because we can have several wiki updates in a short period of time.
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 #230465 (closed)
Edited by Francisco Javier López (ex-Gitlab)