refactor(common): move compat constructor to method #2233

Job	Run time
Verify hyper.h is up to date	35s
Check Style	11s
features	16s
Check MSRV	47s
Test C API (FFI)	31s
Test with Miri	1m 12s
Test stable on ubuntu-latest	23s
udeps	43s
Test stable on windows-latest	28s
Test stable on macOS-latest	25s
Test beta on ubuntu-latest	43s
Test beta on windows-latest	29s
Test beta on macOS-latest	25s
Test nightly on ubuntu-latest	42s
Test nightly on windows-latest	28s
Test nightly on macOS-latest	45s
Build docs	0s
Check exposed types	0s
CI is green	0s
	9m 3s

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