chore(dependencies): relax minimum tokio version to 1 #2333

Job	Run time
Verify hyper.h is up to date	12s
Check Style	8s
Test C API (FFI)	22s
minimal-versions	17s
Test with Miri	45s
features	38s
Check MSRV	2m 29s
udeps	28s
Test stable on ubuntu-latest	1m 28s
Test stable on windows-latest	2m 51s
Test stable on macOS-latest	1m 42s
Test beta on ubuntu-latest	1m 10s
Test beta on windows-latest	3m 7s
Test beta on macOS-latest	1m 31s
Test nightly on ubuntu-latest	1m 22s
Test nightly on windows-latest	2m 57s
Test nightly on macOS-latest	3m 12s
Check exposed types	26s
Build docs	23s
CI is green	1s
	25m 29s

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