Introduce QUIC traits #3091

Job	Run time
Verify hyper.h is up to date	22s
Check Style	15s
semver	26s
Check MSRV	26s
Test with Miri	2m 16s
Test stable on windows-latest	50s
Test beta on windows-latest	53s
Test stable on ubuntu-latest	56s
Test beta on ubuntu-latest	56s
features	38s
Test stable on macOS-latest	1m 1s
Test nightly on ubuntu-latest	44s
Test beta on macOS-latest	1m 0s
Test nightly on windows-latest	49s
Test C API (FFI)	43s
udeps	27s
Test nightly on macOS-latest	1m 0s
minimal-versions	43s
Test cargo-c support (FFI)	30s
Check exposed types	0s
Build docs	0s
CI is green	0s
	14m 55s

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