Add Depth Anything V2 Metric models (#32126)
* add checkpoint and repo names
* adapt head to support metric depth estimation
* add max_depth output scaling
* add expected logits
* improve docs
* fix docstring
* add checkpoint and repo names
* adapt head to support metric depth estimation
* add max_depth output scaling
* add expected logits
* improve docs
* fix docstring
* rename depth_estimation to depth_estimation_type
* add integration test
* Refactored tests to include metric depth model inference test
* Integration test pass when the timm backbone lines are commented (L220-L227)
* address feedback
* replace model path to use organization path
* formatting
* delete deprecated TODO
* address feedback
* [run_slow] depth_anything