[Serialization] support loading torch state dict from disk #6945

Job	Run time
build-ubuntu (3.8, Repository only)	1m 41s
build-windows (3.8)	5m 14s
build-ubuntu (3.8, Everything else)	4m 46s
build-ubuntu (3.13, Repository only)	1m 34s
build-ubuntu (3.13, Everything else)	4m 0s
build-ubuntu (3.13, lfs)	55s
build-ubuntu (3.8, fastai)	1m 29s
build-ubuntu (3.10, fastai)	52s
build-ubuntu (3.8, tensorflow)	1m 9s
build-ubuntu (3.10, tensorflow)	58s
build-ubuntu (3.8, Python 3.8, torch_1.11)	1m 13s
build-ubuntu (3.12, torch_latest)	56s
	24m 47s

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