Enable spliting lightning channel #227

Job	Run time
benchmark	1m 26s
check_release	1m 17s
check_commits	1m 15s
build (ubuntu-latest, stable)	10m 23s
build (ubuntu-latest, beta)	9m 47s
build (ubuntu-latest, 1.41.1)	2m 11s
build (ubuntu-latest, 1.45.2)	49s
build (ubuntu-latest, 1.47.0)	10m 0s
build (stable, macos-latest, true, true, true, true)	9m 21s
build (beta, macos-latest, true, true, true, true)	12m 29s
build (stable, windows-latest, true, true, true, false)	5m 8s
build (beta, windows-latest, true, true, true, false)	4m 40s
fuzz	4m 39s
linting	1m 3s
	1h 14m 28s

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