feat: bootstrap auto-accept for main validator + sudo remove_challenge #447

Job	Run time
Clippy	1m 47s
Test	1m 23s
Build	2m 32s
Coverage	1m 33s
Nightly Build & Test	-1s
Docker Nightly Build	0s
Integration	1m 29s
Docker	3m 31s
E2E	1m 25s
Docker Integration (5 Validators + WASM)	5m 18s
Release	0s
	18m 57s

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