Fix github action yaml format

[liangyuanpeng]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:

This workflow always failed:

[Invalid workflow file: .github/workflows/ci-schedule.yml#L45](https://github.com/karmada-io/karmada/actions/runs/7602918824/workflow)
The workflow is not valid. .github/workflows/ci-schedule.yml (Line: 45, Col: 9): Unexpected value 'max_attempts' .github/workflows/ci-schedule.yml (Line: 46, Col: 9): Unexpected value 'timeout_minutes'

So this pr is working for fix format error when introducing nick-fields/retry.

/assign @RainbowMango @jwcesign

Here is the test of trigger : https://github.com/karmada-io/karmada/actions/runs/7605882134

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f054313) 51.89% compared to head (cb498a8) 51.88%.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4571      +/-   ##
==========================================
- Coverage   51.89%   51.88%   -0.02%     
==========================================
  Files         246      246              
  Lines       24328    24328              
==========================================
- Hits        12626    12622       -4     
- Misses      11016    11019       +3     
- Partials      686      687       +1     

Flag	Coverage Δ
unittests	51.88% <ø> (-0.02%)	⬇️

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[RainbowMango]

/approve
Great thanks @liangyuanpeng .

Leave LGTM to @jwcesign

[karmada-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: RainbowMango

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[jwcesign]

Nice catch!
/lgtm