Add coreml export (ExecuTorch 1.4.1)

.gitattributes

@@ -36,3 +36,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 selfie-segmentation.pte filter=lfs diff=lfs merge=lfs -text
 xnnpack/selfie_segmentation_xnnpack_fp32.pte filter=lfs diff=lfs merge=lfs -text
 coreml/selfie_segmentation_coreml_fp16.pte filter=lfs diff=lfs merge=lfs -text
+coreml/selfie_segmentation_coreml_fp32.pte filter=lfs diff=lfs merge=lfs -text

coreml/selfie_segmentation_coreml_fp32.pte

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:83918679dd659f2efda663339e54a49a6c3aab1062e6e2d4d6e8638c3962d93e
+size 781341