Fix check_pandas_support import error introduced by sklearn 1.5.0

With sklearn version 1.5.0 the check_pandas_support function has been
moved to util._optional_dependencies. This has been adapted in our code.

Author: agoscinski

src/skmatter/datasets/_base.py

@@ -1,7 +1,15 @@
 from os.path import dirname, join
 
 import numpy as np
-from sklearn.utils import Bunch, check_pandas_support
+import sklearn
+
+
+if sklearn.__version__ >= "1.5.0":
+    from sklearn.utils._optional_dependencies import check_pandas_support
+else:
+    from sklearn.utils import check_pandas_support
+
+from sklearn.utils import Bunch
 
 
 def load_nice_dataset():