metrics,store: add a metric for ttlManager to record the lifetime reach events (#14298) #14300
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cherry-pick #14298 to release-3.0
What problem does this PR solve?
Currently, we limit the pessimistic transaction to finish with 10min. It shouldn't take too long in general.
This commit adds a metric for that kind of event.
What is changed and how it works?
Add a metric.
Check List
Tests
Related changes