fix: Align the cfg compilation with the `socket2` #510

Job	Run time
semver	2m 27s
Check Style	3s
Check MSRV (1.63)	1m 22s
Test with Miri	48s
Test stable on ubuntu-latest	37s
Test stable on windows-latest	1m 8s
Test stable on macos-latest	31s
Test beta on ubuntu-latest	36s
features	32s
Test beta on windows-latest	1m 8s
Test beta on macos-latest	30s
Test nightly on ubuntu-latest	32s
Test nightly on windows-latest	1m 4s
Test nightly on macos-latest	29s
Build docs	0s
CI is green	0s
	11m 47s

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