chore(ci): fix release workflow's license step

[czeslavo]

Fix for https://github.com/Kong/kubernetes-testing-framework/actions/runs/8479160134/job/23232712143.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (release/0.39.x@e87868f). Click here to learn what that means.

Additional details and impacted files

@@                Coverage Diff                @@
##             release/0.39.x    #1020   +/-   ##
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  Coverage                  ?   59.94%           
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  Files                     ?       48           
  Lines                     ?     3925           
  Branches                  ?        0           
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  Hits                      ?     2353           
  Misses                    ?     1276           
  Partials                  ?      296           

Flag	Coverage Δ
integration-test	59.94% <ø> (?)

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