update version constants for 20.0.0-snapshot release
import sys
# Kubernetes branch to get the OpenAPI spec from.
-KUBERNETES_BRANCH = "release-1.19"
+KUBERNETES_BRANCH = "release-1.20"
# client version for packaging and releasing.
-CLIENT_VERSION = "19.0.0-snapshot"
+CLIENT_VERSION = "20.0.0-snapshot"
# Name of the release package
PACKAGE_NAME = "kubernetes"
