chore(deps): update registry.k8s.io/ingress-nginx/kube-webhook-certgen docker tag to v1.5.4

[renovate]

This PR contains the following updates:

Package	Update	Change
registry.k8s.io/ingress-nginx/kube-webhook-certgen	patch	v1.5.3 -> v1.5.4

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.00%. Comparing base (b116fed) to head (3187e1a).
Report is 2 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #751   +/-   ##
=====================================
  Coverage   0.00%   0.00%           
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  Files          1       1           
  Lines        287     287           
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  Misses       287     287           

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