update client with alpha.3 version

Author: mbohlool

kubernetes/README.md

@@ -4,7 +4,7 @@ No description provided (generated by Swagger Codegen https://github.com/swagger
 This Python package is automatically generated by the [Swagger Codegen](https://github.com/swagger-api/swagger-codegen) project:
 
 - API version: v1.5.1
-- Package version: 1.0.0-beta.1
+- Package version: 1.0.0-alpha.3
 - Build package: class io.swagger.codegen.languages.PythonClientCodegen
 
 ## Requirements.