Add customizable queue groups to service API #3876

Job	Run time
check (format)	19s
check (licenses)	29s
check (examples)	2m 13s
check (docs)	1m 20s
check (lint)	2m 25s
check (msrv)	4m 32s
check (spelling)	7m 39s
test (ubuntu-latest, nats-main)	15m 6s
test (ubuntu-latest, nats-dev)	14m 26s
test (macos-latest, nats-main)	16m 9s
test (macos-latest, nats-dev)	14m 15s
test (windows-latest, nats-main)	22m 16s
test (windows-latest, nats-dev)	21m 47s
	2h 2m 56s

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