Update knative

Author: Utwo

infra/knative/kustomization.yaml

@@ -2,8 +2,7 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
 resources:
-  - https://github.com/knative/operator/releases/download/knative-v1.13.0/operator.yaml
-  - https://github.com/knative/net-certmanager/releases/download/knative-v1.13.0/release.yaml
+  - https://github.com/knative/operator/releases/download/knative-v1.15.10/operator.yaml
   - https://raw.githubusercontent.com/knative-extensions/monitoring/main/grafana/dashboards.yaml
   - crd.yaml