Status Reporting for VirtualHostOptions in Kube GW

[jbohanon]

Description

Add status reporting to VirtualHostOptions when attached to kube gateway resources using targetRef

API changes

• Added metadata field to HttpListenerReport_Error and VirtualHostReport_Error resources
• ...

Code changes

• Make the VirtualHostOptions plugin a StatusPlugin
• ...

Interesting decisions

Non-attached VHO are reported as warnings because...

Testing steps

Kube e2e

Checklist:

• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [x] I have added tests that prove my fix is effective or that my feature works

BOT NOTES: resolves https://github.com/solo-io/solo-projects/issues/6044

[solo-changelog-bot[bot]]

Issues linked to changelog: https://github.com/solo-io/solo-projects/issues/5934

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 231e7dc):

https://gloo-edge--pr9391-jbohanon-vhopts-stat-cuprps8l.web.app

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[solo-changelog-bot[bot]]

Issues linked to changelog: https://github.com/solo-io/solo-projects/issues/6044