style(capi): update format of hyper.h #2871

Job	Run time
Verify hyper.h is up to date	12s
Check Style	8s
Test with Miri	2m 2s
features	35s
Check MSRV (1.63)	1m 0s
Test stable on ubuntu-latest	1m 16s
Check deprecated on stable	44s
Test stable on windows-latest	2m 35s
Test C API (FFI)	34s
Check deprecated on beta	16s
Test stable on macOS-latest	1m 24s
Test beta on ubuntu-latest	1m 20s
Test beta on windows-latest	2m 15s
Test beta on macOS-latest	1m 21s
Test nightly on ubuntu-latest	1m 24s
Test nightly on windows-latest	3m 0s
Test nightly on macOS-latest	1m 25s
Build docs	19s
CI is green	1s
	21m 51s

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