Fix requests connection error during modelcard creation (#26518)

fix requests connection error
Co-authored-by: Jan Philipp Harries <jphme@users.noreply.github.com>

src/transformers/modelcard.py

@@ -387,7 +387,7 @@ class TrainingSummary:
                 for tag in info.tags:
                     if tag.startswith("license:"):
                         self.license = tag[8:]
-            except (requests.exceptions.HTTPError, HFValidationError):
+            except (requests.exceptions.HTTPError, requests.exceptions.ConnectionError, HFValidationError):
                 pass
 
     def create_model_index(self, metric_mapping):