Update CoreML exports to support newer *.mlpackage outputs (#13222)

* Implement and default mlpackage generation for CoreML model exports

Signed-off-by: Ryan Hirasaki <ryanhirasaki@gmail.com>

* Provide command line argument to export as *.mlmodel instead of *.mlpackage for CoreML

Signed-off-by: Ryan Hirasaki <ryanhirasaki@gmail.com>

* Remove macOS check for CoreML quantization

Requirements for macOS during quantization was removed from coremltools 6.0

Signed-off-by: Ryan Hirasaki <ryanhirasaki@gmail.com>

* Undo removal of warning catching

Signed-off-by: Ryan Hirasaki <ryanhirasaki@gmail.com>

* Change file extension references from mlmodel to mlpackage

Signed-off-by: Ryan Hirasaki <ryanhirasaki@gmail.com>

* Auto-format by https://ultralytics.com/actions

---------

Signed-off-by: Ryan Hirasaki <ryanhirasaki@gmail.com>
Co-authored-by: UltralyticsAssistant <web@ultralytics.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: Ultralytics Assistant <135830346+UltralyticsAssistant@users.noreply.github.com>

models/common.py

@@ -444,7 +444,7 @@ class DetectMultiBackend(nn.Module):
         #   ONNX Runtime:                   *.onnx
         #   ONNX OpenCV DNN:                *.onnx --dnn
         #   OpenVINO:                       *_openvino_model
-        #   CoreML:                         *.mlmodel
+        #   CoreML:                         *.mlpackage
         #   TensorRT:                       *.engine
         #   TensorFlow SavedModel:          *_saved_model
         #   TensorFlow GraphDef:            *.pb