Fix 2609 - Import packaging by default #6749

Job	Run time
build-windows (3.8)	4m 45s
build-ubuntu (3.8, Repository only)	1m 32s
build-ubuntu (3.8, Everything else)	4m 10s
build-ubuntu (3.8, torch_latest)	2m 13s
build-ubuntu (3.12, Repository only)	1m 41s
build-ubuntu (3.12, Everything else)	2m 26s
build-ubuntu (3.12, torch_latest)	50s
build-ubuntu (3.12, lfs)	51s
build-ubuntu (3.8, fastai)	1m 28s
build-ubuntu (3.10, fastai)	52s
build-ubuntu (3.8, tensorflow)	52s
build-ubuntu (3.10, tensorflow)	1m 14s
build-ubuntu (3.8, Python 3.8, torch_1.11)	1m 17s
	24m 11s

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