Ingress NGINX: Promote HTTPBun v1.1.1.

Commit: kubernetes/ingress-nginx@3e8586b
Job: https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/post-ingress-nginx-httpbun/1878552570633392128
Build: https://storage.googleapis.com/kubernetes-ci-logs/logs/post-ingress-nginx-httpbun/1878552570633392128/artifacts/build.log

Author: Gacko

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

@@ -183,6 +183,7 @@
     "sha256:264371edd5b19ddc2da9333bb4d87c0ce3c0cf37c73c4adeb8bc641b872bc9da": ["v1.0.1"]
     "sha256:d4079f3027dba27e2a1d7fcfb3144d6dd9e15307fb7fa80ca649232d08e90d16": ["v1.0.2"]
     "sha256:bd870e71e30d478fafd00c515fba454f326960fe343a84ace577723a07a2cd6c": ["v1.1.0"]
+    "sha256:4569515d9b74470c915566a010792e7202b6769443fb1f3bb1b1e87376028634": ["v1.1.1"]
 
 # Ingress NGINX: Kube Webhook CertGen
 - name: kube-webhook-certgen