convert : add Poro-34B-chat tokenizer support (#7713)
* support for Poro chat pre-tokenizer
* add support for Poro pre-tokenizer
* Update convert-hf-to-gguf-update.py
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
* Change Poro-34B-chat to poro-chat
* Change Poro-34B-chat to poro-chat
* Update convert-hf-to-gguf-update.py
* Update llama.cpp
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Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
