chore(ffi): only backup hyper.h when passing --verify (#3800) #2919

Job	Run time
Verify hyper.h is up to date	17s
semver	17s
Check Style	11s
Check MSRV	28s
Test with Miri	2m 20s
features	37s
Test C API (FFI)	20s
Test cargo-c support (FFI)	28s
minimal-versions	29s
udeps	18s
Test stable on ubuntu-latest	1m 8s
Test stable on windows-latest	1m 59s
Test stable on macOS-latest	1m 18s
Test beta on ubuntu-latest	1m 9s
Test beta on windows-latest	2m 2s
Test beta on macOS-latest	1m 9s
Test nightly on ubuntu-latest	1m 4s
Test nightly on windows-latest	2m 4s
Test nightly on macOS-latest	1m 18s
Build docs	14s
Check exposed types	15s
CI is green	1s
	19m 26s

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