chore(dashboard): update TiDB Dashboard to v7.6.0-41f7c801 [release-7.6] (#7694) (#7695)

[ti-chi-bot]

This is an automated cherry-pick of #7695

This is an automated cherry-pick of #7694

What problem does this PR solve?

Issue Number: ref #4257

Update TiDB Dashboard to v7.6.0-41f7c801.

Release note

None

[ti-chi-bot]

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[ti-chi-bot]

@ti-chi-bot: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci/build	f349051	link	true	/test build

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[ti-chi-bot]

PR needs rebase.

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