Add orengine to channels benchmarks #3002

Job	Run time
dependencies	18s
codegen	28s
careful	4m 48s
clippy	23s
docs	12s
features (msrv)	48s
loom	48s
miri	1h 55m 19s
features (nightly)	22s
rustfmt	10s
san	12m 50s
shellcheck	7s
test (1.61, ubuntu-latest)	11m 14s
test (1.61, windows-latest)	15m 17s
test (stable, ubuntu-latest)	9m 33s
test (stable, windows-latest)	14m 38s
test (nightly, ubuntu-latest)	8m 52s
test (nightly, windows-latest)	13m 24s
test (nightly, ubuntu-latest, i686-unknown-linux-gnu)	9m 57s
test (nightly, ubuntu-latest, armv7-unknown-linux-gnueabihf)	15m 4s
test (nightly, ubuntu-latest, armv5te-unknown-linux-gnueabi)	15m 41s
	4h 10m 13s

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