Ingress NGINX: Promote Controller v1.12.7.

Commit: kubernetes/ingress-nginx@2db2418
Job: https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/post-ingress-nginx-controller/1972347152453603328
Build: https://storage.googleapis.com/kubernetes-ci-logs/logs/post-ingress-nginx-controller/1972347152453603328/artifacts/build.log

Author: Gacko

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

@@ -91,6 +91,7 @@
     "sha256:05890cb25d37aa5cfe086614104f798f55e1eeec8dda26d9fd6f6acf0e1554a0": ["v1.12.4"]
     "sha256:f4a204a39ce99e7d297c54b02e64e421d872675c5ee29ab1b6edb62d4d69be5c": ["v1.12.5"]
     "sha256:c371fbf42b4f23584ce879d99303463131f4f31612f0875482b983354eeca7e6": ["v1.12.6"]
+    "sha256:6ca5f62d18ac6b2e57484ecde310dccd3079b545acecff01c4c71eb5fb222438": ["v1.12.7"]
     "sha256:dc75a7baec7a3b827a5d7ab0acd10ab507904c7dad692365b3e3b596eca1afd2": ["v1.13.0"]
     "sha256:37e489b22ac77576576e52e474941cd7754238438847c1ee795ad6d59c02b12a": ["v1.13.1"]
     "sha256:1f7eaeb01933e719c8a9f4acd8181e555e582330c7d50f24484fb64d2ba9b2ef": ["v1.13.2"]
@@ -151,6 +152,7 @@
     "sha256:0873534e85a765ef4958ba4fbc5c970a3644dca0f5eee7caff93d830b9a8bb8b": ["v1.12.4"]
     "sha256:5bee417e81f5478b166e35b66b62824275fba150cb737adf665ba05c61ff4632": ["v1.12.5"]
     "sha256:7ff9cdb081b18f9431b84d4c3ccd3db9d921ed5f5b7682a45f6a351bfc4ceed4": ["v1.12.6"]
+    "sha256:1d20779a1f805fa2820a2631929fb53da59cb9ce023395fae681a60b17ed771f": ["v1.12.7"]
     "sha256:af6264394cfa61d21f644d87372823064804e64de737b0747e86c86348b29c9f": ["v1.13.0"]
     "sha256:cace9bc8ad1914e817e5b461d691a00caab652347002ba811077189b85009d7f": ["v1.13.1"]
     "sha256:2beb2139c53d6bcb9c8b11d68b412a6a1aa1de3a7e6040695848b0ce997b2be8": ["v1.13.2"]