GHSA-VWF8-Q6FW-4WCM Cilium leaks information via incorrect ReferenceGrant update logic in Gateway API

Impact Due to ReferenceGrant changes not being immediately propagated in Cilium's GatewayAPI controller, Gateway resources are able to access secrets in other namespaces after the associated ReferenceGrant has been revoked. This can lead to Gateways continuing to establish sessions using secrets...