Add repr(transparent) to hyper_context #2474

Job	Run time
Verify hyper.h is up to date	22s
semver	13s
Check Style	5s
Test C API (FFI)	33s
features	1m 0s
minimal-versions	30s
Test with Miri	1m 5s
Check MSRV	1m 4s
udeps	24s
Test stable on ubuntu-latest	1m 9s
Test stable on windows-latest	2m 51s
Test stable on macOS-latest	2m 16s
Test beta on ubuntu-latest	1m 13s
Test beta on windows-latest	2m 9s
Test beta on macOS-latest	1m 57s
Test nightly on ubuntu-latest	1m 14s
Test nightly on windows-latest	2m 5s
Test nightly on macOS-latest	1m 23s
Build docs	18s
Check exposed types	23s
CI is green	0s
	22m 14s

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