Ingress NGINX: Promote HTTPBun v1.1.3.

Commit: kubernetes/ingress-nginx@35a7798
Job: https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/post-ingress-nginx-httpbun/1916513528903110656
Build: https://storage.googleapis.com/kubernetes-ci-logs/logs/post-ingress-nginx-httpbun/1916513528903110656/artifacts/build.log

Author: Gacko

registry.k8s.io/images/k8s-staging-ingress-nginx/images.yaml

@@ -193,6 +193,7 @@
     "sha256:bd870e71e30d478fafd00c515fba454f326960fe343a84ace577723a07a2cd6c": ["v1.1.0"]
     "sha256:4569515d9b74470c915566a010792e7202b6769443fb1f3bb1b1e87376028634": ["v1.1.1"]
     "sha256:b712d92006f36c0e65df64d41dca6b649154ee9f183091955cb9e1e6e3520b12": ["v1.1.2"]
+    "sha256:768fa3a3732ee14d7ecd31b9dd6e24a6e2fc9f935359cf695098a0833b0d2c49": ["v1.1.3"]
 
 # Ingress NGINX: Kube Webhook CertGen
 - name: kube-webhook-certgen