Feature: Implement feature mesh-consumer-route for gateway-api conformance test

[strongjz]

This issue tracks work to implement the feature for conformance tests

[k8s-triage-robot]

The Kubernetes project currently lacks enough contributors to adequately respond to all issues.

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• After 90d of inactivity, lifecycle/stale is applied
• After 30d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied
• After 30d of inactivity since lifecycle/rotten was applied, the issue is closed

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/lifecycle stale