Update data in batches while deleting a user
What does this MR do and why?
When user got deleted we assign plenty of stuff to a ghost user.
User MRs, issues, notes etc etc.
For pretty active users UPDATE
query can timeout, so we do update in batches now.
MR acceptance checklist
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I have evaluated the MR acceptance checklist for this MR.
Related to #337336 (closed)