refactor(sequencers): implement batch position persistance #485

Job	Run time
Determine Image Tag	3s
lint / golangci-lint	1m 29s
lint / goreleaser-check	7s
lint / markdown-lint	2m 1s
lint / hadolint	11s
lint / yamllint	10s
test / Go Mod Tidy Check	40s
test / Run Integration Tests	1m 40s
test / Run Unit Tests	2m 58s
test / Build All ev-node Binaries	1m 24s
proto / buf-check	8s
docker / Build ev-node-testapp	14m 35s
docker / Build ev-node-evm	15m 5s
test / Run E2E System Tests	4m 3s
test / Run EVM Execution Tests	2m 8s
test / Combine and Upload Coverage	8s
docker-tests / Docker Upgrade E2E Tests	2m 56s
docker-tests / Docker E2E Tests	6m 30s
Determine Image Tag	3s
test / Build All ev-node Binaries	1m 24s
lint / hadolint	11s
lint / goreleaser-check	7s
lint / golangci-lint	1m 29s
test / Run Integration Tests	1m 40s
lint / markdown-lint	2m 1s
lint / yamllint	10s
test / Go Mod Tidy Check	40s
proto / buf-check	8s
test / Run Unit Tests	2m 58s
test / Run E2E System Tests	4m 37s
docker / Build ev-node-testapp	14m 35s
test / Combine and Upload Coverage	8s
docker / Build ev-node-evm	15m 5s
test / Run EVM Execution Tests	2m 8s
docker-tests / Docker E2E Tests	6m 30s
docker-tests / Docker Upgrade E2E Tests	2m 56s
	1h 53m 6s

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