Bump docker python version to 4.0.2 (#4563)
Bump docker python version to 4.0.2 (#4563)

The docker python version is too old in the role. Latest docker-compose
starts to crash due to the version being too old.
sven-lange-last/openwhisk,markusthoemmes/openwhisk,akrabat/openwhisk,jasonpet/openwhisk,RSulzmann/openwhisk,RSulzmann/openwhisk,RSulzmann/openwhisk,style95/openwhisk,rabbah/openwhisk,akrabat/openwhisk,markusthoemmes/openwhisk,openwhisk/openwhisk,style95/openwhisk,jeremiaswerner/openwhisk,akrabat/openwhisk,jeremiaswerner/openwhisk,markusthoemmes/openwhisk,RSulzmann/openwhisk,RSulzmann/openwhisk,markusthoemmes/openwhisk,openwhisk/openwhisk,rabbah/openwhisk,style95/openwhisk,rabbah/openwhisk,akrabat/openwhisk,jasonpet/openwhisk,markusthoemmes/openwhisk,openwhisk/openwhisk,RSulzmann/openwhisk,openwhisk/openwhisk,jeremiaswerner/openwhisk,jasonpet/openwhisk,style95/openwhisk,markusthoemmes/openwhisk,sven-lange-last/openwhisk,jasonpet/openwhisk,akrabat/openwhisk,jeremiaswerner/openwhisk,rabbah/openwhisk,rabbah/openwhisk,sven-lange-last/openwhisk,jeremiaswerner/openwhisk,jasonpet/openwhisk,sven-lange-last/openwhisk,sven-lange-last/openwhisk,markusthoemmes/openwhisk,style95/openwhisk,jasonpet/openwhisk,rabbah/openwhisk,sven-lange-last/openwhisk,jeremiaswerner/openwhisk,style95/openwhisk,jeremiaswerner/openwhisk,rabbah/openwhisk,openwhisk/openwhisk,openwhisk/openwhisk,markusthoemmes/openwhisk,jasonpet/openwhisk,akrabat/openwhisk,akrabat/openwhisk,RSulzmann/openwhisk,sven-lange-last/openwhisk,style95/openwhisk