perf(store): save metadata async #2423

Job	Run time
Detect code changes	4s
Determine Image Tag	3s
test / Go Mod Tidy Check	30s
lint / golangci-lint	1m 50s
test / Run Unit Tests	3m 5s
lint / markdown-lint	20s
test / Build All ev-node Binaries	1m 43s
proto / buf-check	9s
lint / goreleaser-check	10s
lint / hadolint	9s
test / Run Integration Tests	2m 9s
lint / yamllint	9s
docker / Build ev-node-testapp	15m 22s
docker / Build ev-node-grpc	20m 17s
docker / Build ev-node-evm	22m 25s
test / Run E2E System Tests	13m 3s
test / Run EVM Execution Tests	2m 22s
test / Combine and Upload Coverage	9s
docker-tests / Docker Upgrade E2E Tests	3m 59s
docker-tests / Docker E2E Tests	6m 52s
docker-tests / Docker Compatibility E2E Tests	4m 25s
	1h 39m 15s

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