model: support Ministral3 (#17644)
* conversion script
* support ministral 3
* maybe this is better?
* add TODO for rope_yarn_log_mul
* better ppl (tested on 14B-Instruct)
* Add Ministral3 support to Mistral format
* improve arch handling
* add sizes
* Apply suggestions from code review
Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>
* nits
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Co-authored-by: Julien Denize <julien.denize@mistral.ai>
Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>
