dashboard: update hotfix version (#7303)

[ti-chi-bot]

This is an automated cherry-pick of #7303

What problem does this PR solve?

Issue Number: Close #7302

What is changed and how does it work?

update dashboard version to revert pingcap/tidb-dashboard#1583 and pingcap/tidb-dashboard#1587

Check List

Tests

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

Code changes

• Has the configuration change
• Has HTTP API interfaces changed (Don't forget to add the declarative for the new API)
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• PR to update pingcap/docs/pingcap/docs-cn:
• PR to update pingcap/tiup:
• Need to cherry-pick to the release branch

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• nolouch

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[codecov]

Codecov Report

Merging #7307 (bb978bb) into release-7.5 (7b3611a) will decrease coverage by 0.07%.
Report is 1 commits behind head on release-7.5.
The diff coverage is 100.00%.

@@               Coverage Diff               @@
##           release-7.5    #7307      +/-   ##
===============================================
- Coverage        74.60%   74.54%   -0.07%     
===============================================
  Files              442      442              
  Lines            47779    47780       +1     
===============================================
- Hits             35645    35616      -29     
- Misses            8976     9004      +28     
- Partials          3158     3160       +2     

Flag	Coverage Δ
unittests	74.54% <100.00%> (-0.07%)	⬇️

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[nolouch]

/merge

[ti-chi-bot]

@nolouch: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

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[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: bb978bb