chore(dashboard): update TiDB Dashboard to v8.1.2-4b076331 [release-8.1]

[baurine]

What problem does this PR solve?

Issue Number: ref #4257 #8767

Update TiDB Dashboard to v8.1.2-4b076331.

Release note

None

[ti-chi-bot]

Hi @baurine. Thanks for your PR.

I'm waiting for a tikv member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[rleungx]

/ok-to-test

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-12 04:05:30.352834834 +0000 UTC m=+497720.441637375: ☑️ agreed by rleungx.
• 2024-12-12 05:00:57.707864242 +0000 UTC m=+501047.796666784: ☑️ agreed by okJiang.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JmPotato, okJiang, rleungx

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• OWNERS [JmPotato,rleungx]

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[ti-chi-bot]

@baurine: Your PR was out of date, I have automatically updated it for you.

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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 ti-community-infra/tichi repository.

[rleungx]

/retest

[rleungx]

/retest