feat(channel): Make channel feature additive #2382

Job	Run time
Check unused dependencies (ubuntu-latest)	46s
codegen	18s
cargo-deny check	21s
check (ubuntu-latest)	53s
check (macOS-latest)	2m 3s
Check unused dependencies (macOS-latest)	54s
Check MSRV	51s
check (windows-latest)	1m 46s
Check unused dependencies (windows-latest)	47s
Interop Tests (ubuntu-latest)	29s
Interop Tests (macOS-latest)	1m 8s
Interop Tests (windows-latest)	2m 29s
rustfmt	13s
test (ubuntu-latest)	2m 39s
test (macOS-latest)	3m 14s
test (windows-latest)	3m 51s
	22m 42s

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