pd, changefeed (ticdc): fix pd related issues (#8884, #8813, #9106, #9174)

[ti-chi-bot]

This is an manual cherry-pick of #8884 #8813 #9106 #9174

What problem does this PR solve?

Issue Number: close #8877 #8868 #8812 #8808 #9173 #9177

What is changed and how it works?

Check List

Tests

• Integration test
• Manual test (add detailed scripts or steps below)

1. deploy 1 tidb cluster with 3 pd and 2 cdc.
2. create a changefeed
3. kill pd leader
4. no cdc processor exit abnormally

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

Fix processor exit unexpectedly when some pd node fail

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has not been approved.

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

The full list of commands accepted by this bot can be found here.

Reviewer can indicate their review by submitting an approval review.
Reviewer can cancel approval by submitting a request changes review.

[asddongmen]

/merge

[asddongmen]

/run-all-tests

[asddongmen]

/lgtm

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: asddongmen, hi-rustin

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [asddongmen,hi-rustin]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-06-13 03:18:19.265870496 +0000 UTC m=+55695.680474572: ☑️ agreed by asddongmen.
• 2023-06-13 03:19:06.177097554 +0000 UTC m=+55742.591701632: ☑️ agreed by hi-rustin.

[asddongmen]

/merge

[ti-chi-bot]

This cherry pick PR is for a release branch and has not yet been approved by release team.
Adding the do-not-merge/cherry-pick-not-approved label.

To merge this cherry pick, it must first be approved by the collaborators.

AFTER it has been approved by collaborators, please ping the release team in a comment to request a cherry pick review.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.