Update net-contour nightly (#15691)

bumping knative.dev/net-contour fff8ae0...20b53ed:
  > 20b53ed upgrade to latest dependencies (# 1156)
  > 70833f1 update linter settings to match knative/pkg (# 1155)

Signed-off-by: Knative Automation <[email protected]>

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: "20250113-fff8ae0d"
+    app.kubernetes.io/version: "20250114-20b53edc"
     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: "20250113-fff8ae0d"
+    app.kubernetes.io/version: "20250114-20b53edc"
 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: "20250113-fff8ae0d"
+    app.kubernetes.io/version: "20250114-20b53edc"
 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: "20250113-fff8ae0d"
+        app.kubernetes.io/version: "20250114-20b53edc"
     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:f6e86b8b670d6dfa15e261cd517fda43dd3b3fc19a04cd752e9523537b588d8e
+          image: gcr.io/knative-nightly/knative.dev/net-contour/cmd/controller@sha256:afbfeae622151da192c208978d2a9ddea84cd5d7b28dd2adfd0ee9b6df94add8
           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: "20250113-fff8ae0d"
+    app.kubernetes.io/version: "20250114-20b53edc"
 spec:
   delegations:
     - secretName: routing-serving-certs