Add repr(transparent) to hyper_context #2473

Job	Run time
Check Style	8s
Verify hyper.h is up to date	34s
semver	21s
Test stable on ubuntu-latest	1m 10s
Test stable on windows-latest	2m 50s
minimal-versions	28s
Test stable on macOS-latest	2m 35s
Test C API (FFI)	24s
features	27s
Test beta on ubuntu-latest	1m 15s
Test beta on windows-latest	1m 55s
Test with Miri	1m 19s
Test beta on macOS-latest	1m 29s
Check MSRV	59s
udeps	28s
Test nightly on ubuntu-latest	1m 29s
Test nightly on windows-latest	2m 43s
Test nightly on macOS-latest	2m 4s
Check exposed types	18s
Build docs	24s
CI is green	0s
	23m 20s

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