Update version constants for 8.0.0-snapshot on master
against kubernetes 1.12.0 release
import sys
# Kubernetes branch to get the OpenAPI spec from.
-KUBERNETES_BRANCH = "release-1.11"
+KUBERNETES_BRANCH = "release-1.12"
# client version for packaging and releasing.
-CLIENT_VERSION = "7.0.0-snapshot"
+CLIENT_VERSION = "8.0.0-snapshot"
# Name of the release package
PACKAGE_NAME = "kubernetes"
