Patch release v5.5.4

This is mostly some fixes that are good to have asap, mostly for tokenizers;
** Fix Kimi-K2.5 tokenizer regression and _patch_mistral_regex Attribute… (#45305) by ArthurZucker

For training:
** Fix #45305 + add regression test GAS (#45349) by florian6973, SunMarc
** Fix IndexError with DeepSpeed ZeRO-3 when kernels rotary is active (#…) by ArthurZucker

And for Qwen2.5-VL :
** Fix Qwen2.5-VL temporal RoPE scaling applied to still images (#45330) by Kash6, zucchini-nlp