docs: fix model name in example usage

README.md

@@ -43,7 +43,7 @@ from flair.data import Sentence
 from flair.models import SequenceTagger
 
 # Load the model
-tagger = SequenceTagger.load("stefan-it/flair-modernbert-large-ner-coll03")
+tagger = SequenceTagger.load("stefan-it/flair-modernbert-large-ner-conll03")
 
 # Define an example sentence
 sentence = Sentence("George Washington went to Washington very fast.")