chore(deps): update registry.k8s.io/ingress-nginx/kube-webhook-certgen docker tag to v1.6.3

[renovate]

This PR contains the following updates:

Package	Update	Change
registry.k8s.io/ingress-nginx/kube-webhook-certgen	patch	v1.6.2 -> v1.6.3

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (2631f0e) to head (2e83510).

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #895   +/-   ##
=====================================
  Coverage   0.00%   0.00%           
=====================================
  Files          1       1           
  Lines        288     288           
=====================================
  Misses       288     288           

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