feat: use non-zero ports resolved by dns resolvers #476

Job	Run time
semver	18s
Check Style	4s
features	46s
Check MSRV (1.63)	1m 53s
Test with Miri	49s
Test stable on ubuntu-latest	30s
Test stable on windows-latest	2m 33s
Test stable on macos-latest	45s
Test beta on ubuntu-latest	34s
Test beta on windows-latest	1m 6s
Test beta on macos-latest	37s
Test nightly on ubuntu-latest	34s
Test nightly on windows-latest	1m 12s
Test nightly on macos-latest	38s
Build docs	15s
CI is green	1s
	12m 35s

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