fix(metrics): correct channel name #7404

Job	Run time
lint / markdown-lint	1m 34s
lint / goreleaser-check	5s
branch_name	3s
lint / yamllint	12s
lint / golangci-lint	25s
test / Build ev-node Docker Image	15m 11s
test / Build local-da Docker Image	4m 27s
test / Build All ev-node Binaries	1m 25s
test / Build ev-node EVM Single Docker Image	15m 13s
test / Go Mod Tidy Check	1m 2s
test / Run Unit Tests	4m 23s
lint / hadolint / hadolint	10s
proto / buf-check	8s
test / Run Integration Tests	1m 12s
test / Run EVM Execution Tests	2m 26s
test / Run E2E System Tests	4m 2s
test / Combine and Upload Coverage	0s
test / Docker E2E Tests	5m 56s
release	0s
	57m 54s

Provide feedback