Fix the issue in pushing image Github action

[ywk253100]

Fix the issue in pushing image Github action

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Fixes #(issue)

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[ywk253100]

Fixes issue: #8306
Have verified the fix in https://github.com/vmware-tanzu/velero/actions/runs/11359748752/job/31596327209

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.19%. Comparing base (6fa81ec) to head (5c4b04e).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8309      +/-   ##
==========================================
- Coverage   59.19%   59.19%   -0.01%     
==========================================
  Files         367      367              
  Lines       30850    30849       -1     
==========================================
- Hits        18263    18262       -1     
  Misses      11125    11125              
  Partials     1462     1462              

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