Add DINO conversion script (#13265)
* First commit
* Add interpolation of patch embeddings
* Comment out code
* Fix bug
* Fix another bug
* Fix bug
* Fix another bug
* Remove print statements
* Update conversion script
* Use the official vit implementation
* Add support for converting dino_vits8
* Add DINO to docs of ViT
* Remove assertion
* Add interpolation of position encodings
* Fix bug
* Add align_corners
* Add interpolate_pos_encoding option to forward pass of ViTModel
* Improve interpolate_pos_encoding method
* Add docstring