refactor: allow resolve span to be disabled (#153) #493

Job	Run time
Check Style	9s
semver	21s
Test stable on ubuntu-latest	49s
Test with Miri	45s
features	32s
Check MSRV (1.63)	1m 7s
Test stable on windows-latest	1m 54s
Test stable on macos-latest	41s
Test beta on ubuntu-latest	38s
Test beta on windows-latest	1m 10s
Test beta on macos-latest	32s
Test nightly on ubuntu-latest	32s
Test nightly on windows-latest	1m 20s
Test nightly on macos-latest	47s
Build docs	11s
CI is green	1s
	11m 29s

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