[FSTORE-1564] Managed feature group delta deltastreamer #600

Job	Run time
Lint and Stylecheck	9s
Unit Tests (Local TZ)	3m 2s
Unit Tests (No Optional Dependencies)	2m 27s
Unit Tests (Pandas 1.x)	2m 7s
Unit Tests (3.8)	3m 21s
Unit Tests (Typechecked)	1m 18s
Unit Tests (3.9)	2m 58s
Unit Tests (Windows)	13m 33s
Unit Tests (3.10)	3m 30s
Unit Tests (Windows) (Local TZ)	12m 43s
	45m 8s

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