kv(ticdc): reduce eventfeed rate limited log (#4072)

[ti-chi-bot]

This is an automated cherry-pick of #4072

What is changed and how it works?

Issue Number: close #4006

Check List

Tests

• Unit test

Related changes

• Need to cherry-pick to the release branch

Release note

Reduce "EventFeed retry rate limited" logs

[ti-chi-bot]

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[overvenus]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: daf41dc

[ti-chi-bot]

@ti-chi-bot: Your PR was out of date, I have automatically updated it for you.

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/run-all-tests

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