changes to add start_time and end_time filters to getalertsrequest (#… #1377

Job	Run time
Build and Test (11)	2m 50s
Build and Test (17)	2m 50s
Build and Test (21)	2m 52s
Get-CI-Image-Tag / Get-CI-Image-Tag	5s
Build and Test (11)	3m 14s
Build and Test (17)	3m 18s
Build and Test (21)	3m 13s
	18m 22s

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