dinov3 support

[ptresson]

DinoV3 is just out and was also trained on aerial imagery

https://github.com/facebookresearch/dinov3?tab=readme-ov-file

[ptresson]

working on branch dinov3-support

[ptresson]

the model is published under a specific licence, might worth to check if it's compatible with QGIS's licence

[ptresson]

model is now available in timm:
https://huggingface.co/timm/vit_base_patch16_dinov3.lvd1689m
could be added as default model.

[ptresson]

vit_large_patch16_dinov3.sat493m is the version of the model trained on satellite images