[API] Search Issues By Milestone

Can we add support search issues by milestone (id or name) to api

[6543]

I'll take it ;)

[lunny]

@6543, I think we have to implement milestone index before this one and this also depends on #9931

[stale]

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[6543]

update: still a lot to do

[6543]

done look at #10148

It works this way:
comma separated list of milestone names or ids. It uses names and fall back to ids. Fetch only issues that have any of this milestones. Non existent milestones are discarded

Thank you

[IvanBezrukavyiSS]

@6543 Can you please provide examples how to deal with that. I also wanna use it.