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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• [ ] Accepted the DCO. Commits without the DCO will delay acceptance.
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[ywk253100]

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

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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

Additional details and impacted files

```diff @@ 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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