Update net-contour nightly (#16253)

bumping knative.dev/net-contour de141b7...00c311b:
  > 00c311b upgrade to latest dependencies (# 1219)

Signed-off-by: Knative Automation <automation@knative.team>

Author: knative-automation

third_party/contour-latest/net-contour.yaml

@@ -8,7 +8,7 @@ metadata:
     networking.knative.dev/ingress-provider: contour
     app.kubernetes.io/component: net-contour
     app.kubernetes.io/name: knative-serving
-    app.kubernetes.io/version: "20251119-de141b7a"
+    app.kubernetes.io/version: "20251121-00c311b5"
     serving.knative.dev/controller: "true"
 rules:
   - apiGroups: ["projectcontour.io"]
@@ -38,7 +38,7 @@ metadata:
     networking.knative.dev/ingress-provider: contour
     app.kubernetes.io/component: net-contour
     app.kubernetes.io/name: knative-serving
-    app.kubernetes.io/version: "20251119-de141b7a"
+    app.kubernetes.io/version: "20251121-00c311b5"
 data:
   _example: |
     ################################
@@ -111,7 +111,7 @@ metadata:
     networking.knative.dev/ingress-provider: contour
     app.kubernetes.io/component: net-contour
     app.kubernetes.io/name: knative-serving
-    app.kubernetes.io/version: "20251119-de141b7a"
+    app.kubernetes.io/version: "20251121-00c311b5"
 spec:
   replicas: 1
   selector:
@@ -123,14 +123,14 @@ spec:
         app: net-contour-controller
         app.kubernetes.io/component: net-contour
         app.kubernetes.io/name: knative-serving
-        app.kubernetes.io/version: "20251119-de141b7a"
+        app.kubernetes.io/version: "20251121-00c311b5"
     spec:
       serviceAccountName: controller
       containers:
         - name: controller
           # This is the Go import path for the binary that is containerized
           # and substituted here.
-          image: gcr.io/knative-nightly/knative.dev/net-contour/cmd/controller@sha256:e755d2cf53078a6d14c15fe80f50d98ba5f7139471a7ce4a6f7e1b3c7f39b9c5
+          image: gcr.io/knative-nightly/knative.dev/net-contour/cmd/controller@sha256:0bcf34f7d94dd79d7ead34619ee0bb905f5ebb4c2c8320b19f49e05502352ace
           resources:
             requests:
               cpu: 40m
@@ -174,7 +174,7 @@ metadata:
     networking.knative.dev/ingress-provider: contour
     app.kubernetes.io/component: net-contour
     app.kubernetes.io/name: knative-serving
-    app.kubernetes.io/version: "20251119-de141b7a"
+    app.kubernetes.io/version: "20251121-00c311b5"
 spec:
   delegations:
     - secretName: routing-serving-certs