[Bug] Ordinal Hyperparameter ignores `number` argument in `get_neighbors`

[eddiebergman]

https://github.com/automl/ConfigSpace/blob/88051ebb7c34b6c8e69777c75dbcbc120b7720fd/ConfigSpace/hyperparameters.pyx#L2865C2-L2900

[eddiebergman]

Fixed in #346