Add kwargs to AutoMLRegressor init

`AutoMLRegressor` is currently lacking an `__init___()` method to be able to override default args to `AutoML` base class. This pull requests adds this functionality based on the existing code for `AutoMLClassifier`.

Author: yazanobeidi

autosklearn/automl.py

@@ -1057,6 +1057,9 @@ def predict_proba(self, X, batch_size=None, n_jobs=1):
 
 
 class AutoMLRegressor(BaseAutoML):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        
     def fit(
         self,
         X: np.ndarray,