Depth Anything: update conversion script for V2 (#31522)
* Depth Anything: update conversion script for V2
* Update docs
* Style
* Revert "Update docs"
This reverts commit be0ca47ea1be4f3cd9aa2113bdd8efcc9959119e.
* Add docs for depth anything v2
* Add depth_anything_v2 to MODEL_NAMES_MAPPING
Done similarly to Flan-T5: https://github.com/huggingface/transformers/pull/19892/files
* Add tip in original docs
