Bump Katib Python SDK to 0.13.0rc0 version (#1793)

Author: andreyvelich

sdk/python/v1beta1/setup.py

@@ -19,7 +19,7 @@
 
 setuptools.setup(
     name='kubeflow-katib',
-    version='0.12.0',
+    version='0.13.0rc0',
     author="Kubeflow Authors",
     author_email='[email protected]',
     license="Apache License Version 2.0",