Ingress NGINX: Promote controller v1.10.6.

Commit: kubernetes/ingress-nginx@88742fd
Job: https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/post-ingress-nginx-controller/1872044703415799808
Build: https://storage.googleapis.com/kubernetes-ci-logs/logs/post-ingress-nginx-controller/1872044703415799808/artifacts/build.log

Author: Gacko

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

@@ -73,6 +73,7 @@
     "sha256:b5a5082f8e508cc1aac1c0ef101dc2f87b63d51598a5747d81d6cf6e7ba058fd": ["v1.10.3"]
     "sha256:505b9048c02dde3d6c8667bf0b52aba7b36adf7b03da34c47d5fa312d2d4c6fc": ["v1.10.4"]
     "sha256:c84d11b1f7bd14ebbf49918a7f0dc01b31c0c6e757e0129520ea93453096315c": ["v1.10.5"]
+    "sha256:b6fbd102255edb3ba8e5421feebe14fd3e94cf53d199af9e40687f536152189c": ["v1.10.6"]
     "sha256:a886e56d532d1388c77c8340261149d974370edca1093af4c97a96fb1467cb39": ["v1.11.0"]
     "sha256:e6439a12b52076965928e83b7b56aae6731231677b01e81818bce7fa5c60161a": ["v1.11.1"]
     "sha256:d5f8217feeac4887cb1ed21f27c2674e58be06bd8f5184cacea2a69abaf78dce": ["v1.11.2"]
@@ -117,6 +118,7 @@
     "sha256:9033e04bd3cd01f92414f8d5999c5095734d4caceb4923942298152a38373d4b": ["v1.10.3"]
     "sha256:bf71acf6e71830a4470e2183e3bc93c4f006b954f8a05fb434242ef0f8a24858": ["v1.10.4"]
     "sha256:030a43bdd5f0212a7e135cc4da76b15a6706ef65a6824eb4cc401f87a81c2987": ["v1.10.5"]
+    "sha256:44ceedafc0e04a75521b5d472c1b6b5cc08afb8038b5bbfd79c21d066ccf300e": ["v1.10.6"]
     "sha256:f16dfed1c94d216b65e5dcb7508ab46148641a99649c5a700749db6f01a7039e": ["v1.11.0"]
     "sha256:7cabe4bd7558bfdf5b707976d7be56fd15ffece735d7c90fc238b6eda290fd8d": ["v1.11.1"]
     "sha256:21b55a2f0213a18b91612a8c0850167e00a8e34391fd595139a708f9c047e7a8": ["v1.11.2"]