mcs: update node every restart

[rleungx]

What problem does this PR solve?

Issue Number: Close #8154

What is changed and how does it work?

Check List

Tests

• Unit test

Release note

None.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 77.38%. Comparing base (89ca8df) to head (90a3518).

:exclamation: Current head 90a3518 differs from pull request most recent head 9a0938a

Please upload reports for the commit 9a0938a to get more accurate results.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #8302 +/- ## ========================================== - Coverage 77.41% 77.38% -0.03% ========================================== Files 470 470 Lines 61356 61395 +39 ========================================== + Hits 47499 47512 +13 - Misses 10296 10329 +33 + Partials 3561 3554 -7 ``` | [Flag](https://app.codecov.io/gh/tikv/pd/pull/8302/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tikv) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/tikv/pd/pull/8302/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tikv) | `77.38% <100.00%> (-0.03%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tikv#carryforward-flags-in-the-pull-request-comment) to find out more.

[rleungx]

/cc @iosmanthus

[ti-chi-bot[bot]]

@rleungx: GitHub didn't allow me to request PR reviews from the following users: iosmanthus.

Note that only tikv members and repo collaborators can review this PR, and authors cannot review their own PRs.

In response to [this](https://github.com/tikv/pd/pull/8302#issuecomment-2174837417): >/cc @iosmanthus Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JmPotato, lhy1024

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

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/tikv/pd/blob/master/OWNERS)~~ [JmPotato,lhy1024] 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[bot]]

[LGTM Timeline notifier]

Timeline:

• 2024-06-19 06:21:25.73856723 +0000 UTC m=+182212.224056058: :ballot_box_with_check: agreed by JmPotato.
• 2024-06-19 07:40:30.684418271 +0000 UTC m=+186957.169907087: :ballot_box_with_check: agreed by lhy1024.