Use the non-private API for hf_hub errors

We were loading from a private module and it looks like the API changed
in 0.25 (see Azure errors). This moves to using the public `errors`
module, which should be less likely to break without warning.

deepforest/utilities.py

@@ -20,7 +20,7 @@
 import json
 import urllib.request
 from huggingface_hub import hf_hub_download
-from huggingface_hub.utils._errors import RevisionNotFoundError, HfHubHTTPError
+from huggingface_hub.errors import RevisionNotFoundError, HfHubHTTPError
 
 
 def read_config(config_path):