cdc/metrics: Integrate sarama producer metrics (#4520) #4575
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This is an automated cherry-pick of #4520
What problem does this PR solve?
Issue Number: close #4561
What is changed and how it works?
add sarama metrics to prometheus, and monitored by grafana.
go-metrics
periodically from sarama, and then refresh the prometheus metrics.Check List
Tests
Code changes
Side effects
Related changes
Release note