Merge pull request #8559 from Gacko/nslgg

Ingress NGINX: Promote NGINX v1.3.3.

Author: k8s-ci-robot

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

@@ -295,6 +295,7 @@
     "sha256:ab913836443d9c67f817b348ec334e98730ed55931a524fae9f09359f3fe7cd8": ["v1.3.0"]
     "sha256:5df4d33e7a660afc361aef07af70908a2f9ed4f3251ee0ff6df25d179a03f311": ["v1.3.1"]
     "sha256:f9da15f1a1c9d92d98e606b8eef3789f7a32603427c627dd211becd9bc900fc3": ["v1.3.2"]
+    "sha256:4e56a2aa3d85d5bbf0471fc9ca124e38a01f5dbc6e7a9831e7c596f2155fe285": ["v1.3.3"]
     "sha256:3e7bda4cf5111d283ed1e4ff5cc9a2b5cdc5ebe62d50ba67473d3e25b1389133": ["v2.0.0"]
     "sha256:0301aff18d076a3726a0c7c07c68db3218dc90d56a3ed419868e21c12114549e": ["v2.0.1"]
     "sha256:d150d220752ed7479a1a1400be69bcca7bf5bf4b49d0d48890927f086eef5e2d": ["v2.0.2"]