Reload channelmanager with channel data from monitors #21180

Job	Run time
check_docs	4m 10s
ext-test	8m 38s
benchmark	16m 31s
build (windows-latest, stable)	2h 22m 32s
build (self-hosted, 1.75.0)	2h 1m 51s
check_release	3m 4s
build (macos-latest, 1.75.0)	2h 23m 5s
build (self-hosted, stable)	1h 49m 53s
build (self-hosted, beta)	2h 27m 24s
build (macos-latest, stable)	1h 58m 58s
build-tx-sync (macos-latest, beta)	5m 45s
build-tx-sync (macos-latest, 1.75.0)	6m 1s
build-tx-sync (macos-latest, stable)	5m 12s
linting	2m 21s
fuzz	1h 15m 11s
build-tx-sync (ubuntu-latest, stable)	4m 51s
rustfmt	16s
build-tx-sync (ubuntu-latest, beta)	4m 44s
build-tx-sync (ubuntu-latest, 1.75.0)	5m 9s
coverage	43m 13s
	16h 8m 49s

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