feat(service): relax service module feature (#109) #407

Job	Run time
semver	30s
Check Style	58s
features	1m 15s
Test with Miri	54s
Test stable on ubuntu-latest	34s
Check MSRV (1.63)	57s
Test stable on windows-latest	22s
Test stable on macos-latest	20s
Test beta on ubuntu-latest	27s
Test beta on windows-latest	24s
Test beta on macos-latest	33s
Test nightly on ubuntu-latest	29s
Test nightly on windows-latest	17s
Test nightly on macos-latest	27s
Build docs	0s
CI is green	0s
	8m 27s

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