bug: Use github.com/nginxinc/kubernetes-ingress/v3

[smuda]

Handles issue 6763

Proposed changes

All references to github.com/nginxinc/kubernetes-ingress in code is changed to github.com/nginxinc/kubernetes-ingress/v3

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• [N/A] I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• [N/A] I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[github-actions]

✅ All required contributors have signed the F5 CLA for this PR. Thank you!
_{Posted by the CLA Assistant Lite bot.}

[smuda]

I have hereby read the F5 CLA and agree to its terms