Update README.md

Author: pcrespov

docs/README.md

@@ -7,7 +7,7 @@
 
 Python client for osparc-simcore public web API
 
-- API version: 0.4.0
+- API version: 0.3.0
 - Package version: 0.4.2
 - Build package: org.openapitools.codegen.languages.PythonClientCodegen