Bump upgrade helm chart index to v1.12.0

[chaosi-zju]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

Bump upgrade helm chart index to v1.12.0

Which issue(s) this PR fixes:

Fixes

Does this PR introduce a user-facing change?:

upgrade helm chart index to v1.12.0.

[chaosi-zju]

manual generated by script in #5911

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.93%. Comparing base (8f506d4) to head (2e36b85).
Report is 2 commits behind head on master.

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5918      +/-   ##
==========================================
- Coverage   47.95%   47.93%   -0.03%     
==========================================
  Files         663      663              
  Lines       54761    54769       +8     
==========================================
- Hits        26261    26253       -8     
- Misses      26794    26809      +15     
- Partials     1706     1707       +1     

Flag	Coverage Δ
unittests	47.93% <ø> (-0.03%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[RainbowMango]

/lgtm
/assign @a7i
Can you help take a look and approval?

[a7i]

🏆
/lgtm

[chaosi-zju]

/cc @RainbowMango can this PR move forward?

[RainbowMango]

/approve
on behalf of chart owners :)

[karmada-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: RainbowMango

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

The pull request process is described here

Needs approval from an approver in each of these files:

• charts/OWNERS [RainbowMango]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment