fix(StateTransitionMessage): fix type of state in StateTransitionMessage
fix(StateTransitionMessage): fix type of state in StateTransitionMessage

sphereio/sphere-php-sdk,sphereio/sphere-php-sdk,sphereio/sphere-php-sdk,sphereio/commercetools-php-sdk,sphereio/commercetools-php-sdk,sphereio/commercetools-php-sdk,sphereio/commercetools-php-sdk,sphereio/sphere-php-sdk