update version

setup.cfg

 [metadata]
 name = bayesvalidrox
-version = 0.0.2
+version = 0.0.3
 author = Farid Mohammadi
 author_email = farid.mohammadi@iws.uni-stuttgart.de
 description = An open-source, object-oriented Python package for surrogate-assisted Bayesain Validation of computational models.