Patch release v4.45.2

Mostly some warnings that were not properly removed ⚠️ :

• Ignore keys on validate_rope #33753 by @zucchini-nlp
• remove warning v2 #33761 by @itazap
• Config: lower save_pretrained exception to warning #33906 by @gante

🔴 Had a small regression with dynamic Cache 🔴 *Cache: revert DynamicCache init for BC #33861 by @gante

A small fix for idefic 🐩 :

• Fixes for issue #33763 in idefics2 model #33766 by @aroun-coumar

And a fix for Siglip 🤧 !

• hot fix self.position_embeddings->self.position_embedding #33958 and properly fix and RUN_SLOW #33965 thanks to @mranzinger