Add Neuvector spec to extension compatibility tests

[aalves08]

Summary

Fixes #11482

This is based off the KW spec PR #11668. This PR will need a rebase after the KW spec get merged!

Occurred changes and/or fixed issues

• add Neuvector spec for extension compatibility tests

Technical notes summary

Areas or cases that should be tested

Areas which could experience regressions

Screenshot/Video

Checklist

• The PR is linked to an issue and the linked issue has a Milestone, or no issue is needed
• The PR has a Milestone
• The PR template has been filled out
• The PR has been self reviewed
• The PR has a reviewer assigned
• The PR has automated tests or clear instructions for manual tests and the linked issue has appropriate QA labels, or tests are not needed
• The PR has reviewed with UX and tested in light and dark mode, or there are no UX changes

[aalves08]

@richard-cox Not passing the gates in 2.9-head because of the kube version < 1.29 and Rancher now uses kube version 1.30. I've asked the neuvector team to release a new version of the extension to their repo 🙏

[richard-cox]

Just for tracking purposes, there were some comments on the sibling PR #11668 that we should work through before starting this one