feat: ✨ add maintenance mode to node #2854

Job	Run time
setup	8s
Build node image	25m 57s
Run Para & Relay Network Test	3m 34s
Run Dev Node Tests (1)	1m 23s
Run FullNet Tests (1)	8m 2s
Run Dev Node Tests (2)	1m 29s
Run BSPNet Tests (1)	7m 58s
Run FullNet Tests (2)	6m 44s
Check Rust/TS bindings are up to date	1m 15s
Run BSPNet Tests (2)	9m 41s
Run FullNet Tests (3)	5m 6s
Run BSPNet Tests (3)	8m 57s
Run FullNet Tests (4)	6m 19s
Run BSPNet Tests (4)	8m 15s
Run Zombienet Tests	2m 21s
Run BSPNet Tests (5)	8m 52s
	1h 46m 1s

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