Merge pull request #7847 from serathius/publish-3.6.0.rc-1-0

Publish etcd 3.6.0-rc.1-0 image

Author: k8s-ci-robot

registry.k8s.io/images/k8s-staging-etcd/images.yaml

@@ -27,6 +27,7 @@
     "sha256:b3a0da984f9af598234c018faa4f28dd6a6461f5719163a61f10ebf26dbca1e9": ["3.5.8-0"]
     "sha256:e013d0d5e4e25d00c61a7ff839927a1f36479678f11e49502b53a5e0b14f10c3": ["3.5.9-0"]
     "sha256:87cd0c2afe02de8dca78b8027852a6e8a18752ad5036be71ff21dea8c175abb9": ["3.6.0-alpha.0-0"]
+    "sha256:5b19cb5c3eeb06dbbea9d167faef0694d59f513b3d4797801787f95f2742a605": ["3.6.0-rc.1-0"]
 - name: etcd-empty-dir-cleanup
   dmap:
     "sha256:f805272b4422efa92e20789295c343ed26ff36ddc4f70eeb5d7890d6b758b0fc": ["3.4.7.0"]