Ingress NGINX: Promote CFSSL v1.1.1.

Commit: kubernetes/ingress-nginx@b932ac0
Job: https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/post-ingress-nginx-cfssl/1878552007720046592
Build: https://storage.googleapis.com/kubernetes-ci-logs/logs/post-ingress-nginx-cfssl/1878552007720046592/artifacts/build.log

Author: Gacko

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

@@ -135,6 +135,7 @@
     "sha256:fffd36e2f1c8fd485ec6fd24c6d55f0817b54352274293d2a247b8a0d924c5b0": ["v1.0.0"]
     "sha256:12425bab3f5e41ed20b850fd1e3737a48474f9ad48363efb116243a853db754a": ["v1.0.1"]
     "sha256:31a195d7c3dc801575ca46919ff2b3f01afce54a744ab22ee83469f92a6e0965": ["v1.1.0"]
+    "sha256:bcd576c6d0a01d4710969195e804c02da62b71b5c35c6816df9b7584d5445437": ["v1.1.1"]
 
 # Ingress NGINX: Custom Error Pages
 - name: custom-error-pages