chore: fix clippy warning

[flavio]

What type of PR is this?

/kind ci

What this PR does / why we need it:

Address a warning raised by latest version of nightly clippy.

Currently all our CI jobs are failing due to this warning.

Which issue(s) this PR fixes:

None

Special notes for your reviewer:

None

Does this PR introduce a user-facing change?

None

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 29.02%. Comparing base (57570dd) to head (ffbea7a).
Report is 53 commits behind head on main.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #236      +/-   ##
==========================================
+ Coverage   26.61%   29.02%   +2.41%     
==========================================
  Files          24       26       +2     
  Lines        2788     3159     +371     
  Branches     1516     1671     +155     
==========================================
+ Hits          742      917     +175     
- Misses        948     1021      +73     
- Partials     1098     1221     +123