log backup: reset store grpc connection when encounter error (#50539)

[ti-chi-bot]

This is an automated cherry-pick of #50539

What problem does this PR solve?

Issue Number: close #50445
Problem Summary:
advancer will cache the store grpc connection at first time connect to TiKV. This usually works well when TiKV normal scale-out/in or deploy with a domain name. but in some cases. when deploy TiKV cluster with IP address and IP changed.
the cached grpc connection will broken.

What changed and how does it work?

Disable the cached grpc connection when encounter error.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

Fix the issue that TiKV IP address changed on same store makes log backup stuck.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-7.1@abe9974). Click here to learn what that means.
The diff coverage is 42.8571%.

Additional details and impacted files

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: BornChanger, YuJuncen

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• OWNERS [YuJuncen]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-02-23 10:31:07.018513228 +0000 UTC m=+612355.766136340: ☑️ agreed by BornChanger.
• 2024-02-26 08:13:54.532916232 +0000 UTC m=+863323.280539328: ☑️ agreed by YuJuncen.