fix: use distinct directory for bagging_sq models

Previously, sparse+quantized models would overwrite the regular
dense+floating models (and vice versa) because they were stored with the
same filename in the same directory. Models would be downloaded again
from Zenodo every time the user switched between the two...

hsf/conf/segmentation/bagging_sq.yaml

@@ -5,7 +5,7 @@
 # Current version: 3.0.0
 
 ca_mode: "1/2/3"
-models_path: "~/.hsf/models/bagging/"
+models_path: "~/.hsf/models/bagging_sq/"
 models:
   arunet_bag_0.onnx:
     url: "https://zenodo.org/record/6482419/files/arunet_3.0.0_85sparse_qat_bag0.onnx?download=1"