Add `RoCBertTokenizer` to `TOKENIZER_MAPPING_NAMES` (#20141)

* Add RoCBertTokenizer to TOKENIZER_MAPPING_NAMES

* fix
Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>

src/transformers/models/auto/tokenization_auto.py

@@ -248,6 +248,7 @@ else:
             ),
             ("retribert", ("RetriBertTokenizer", "RetriBertTokenizerFast" if is_tokenizers_available() else None)),
             ("roberta", ("RobertaTokenizer", "RobertaTokenizerFast" if is_tokenizers_available() else None)),
+            ("roc_bert", ("RoCBertTokenizer", None)),
             ("roformer", ("RoFormerTokenizer", "RoFormerTokenizerFast" if is_tokenizers_available() else None)),
             ("speech_to_text", ("Speech2TextTokenizer" if is_sentencepiece_available() else None, None)),
             ("speech_to_text_2", ("Speech2Text2Tokenizer", None)),