feat(upgrade): add upgrade feature #2161

Job	Run time
Verify hyper.h is up to date	49s
Check Style	13s
Check MSRV	4m 21s
Test with Miri	1m 18s
Test C API (FFI)	46s
features	42s
Test stable on ubuntu-latest	2m 6s
Test stable on windows-latest	4m 21s
Test stable on macOS-latest	2m 38s
Test beta on ubuntu-latest	2m 5s
Test beta on windows-latest	3m 30s
Test beta on macOS-latest	2m 27s
Test nightly on ubuntu-latest	2m 10s
Test nightly on windows-latest	3m 27s
Test nightly on macOS-latest	3m 7s
Build docs	33s
Check exposed types	1m 44s
CI is green	1s
	36m 18s

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