feat(syncing): detect sequencer double-signs and halt #2585

Job	Run time
Detect code changes	4s
Determine Image Tag	3s
proto / buf-check	13s
test / Run Unit Tests	3m 9s
test / Run Integration Tests	1m 50s
lint / hadolint	8s
lint / goreleaser-check	9s
lint / golangci-lint	1m 52s
lint / markdown-lint	19s
lint / yamllint	9s
test / Go Mod Tidy Check	1m 20s
test / Build All ev-node Binaries	1m 43s
docker / Build ev-node-evm	17m 19s
docker / Build ev-node-grpc	17m 0s
docker / Build ev-node-testapp	17m 17s
test / Run E2E System Tests	14m 19s
test / Run EVM Execution Tests	2m 9s
test / Combine and Upload Coverage	-1s
docker-tests	0s
	1h 19m 2s

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