Add async_req and usage to list_paginated #148

Job	Run time
linting / lint	9s
unit-tests / Unit (3.9)	39s
unit-tests / Unit grpc (3.9)	55s
unit-tests / Type checking (3.9, true)	45s
unit-tests / Type checking (3.9, false)	42s
create-project	0s
integration-tests	0s
cleanup-project / cleanup-project	37s
	3m 47s

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