feat: add promise-based service calls #87

Job	Run time
build-and-test / build (24.X, jazzy)	10m 39s
build-and-test / build (24.X, humble)	7m 43s
build-and-test / build (24.X, rolling)	12m 49s
build-and-test / build (24.X, kilted)	21m 47s
	52m 58s

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