[FEATURE] Support getting alerts for a finding

[amsiglan]

Is your feature request related to a problem?
User should be able to get all alerts for finding(s)
Possible use case:
Show all alerts generated for a finding.

What solution would you like?
Add a query parameter findingIds similar to detectorId where we can pass the finding id(s) and retrieve the alerts for them.

What alternatives have you considered?
Add a POST method based search API for alerts which supports complex queries.

Do you have any additional context?
N/A

[ishanbhat2004]

I'd b interested in doing this!

[sbcd90]

hi @ishanbhat2004 , sure. assigning you the task.