Fix error message if invalid token on file download #7259

Job	Run time
build-windows (3.8)	6m 3s
build-ubuntu (3.8, Repository only)	1m 39s
build-ubuntu (3.8, Everything else)	3m 59s
build-ubuntu (3.13, Repository only)	1m 41s
build-ubuntu (3.13, Everything else)	3m 53s
build-ubuntu (3.13, lfs)	45s
build-ubuntu (3.8, fastai)	1m 22s
build-ubuntu (3.10, fastai)	54s
build-ubuntu (3.8, tensorflow)	1m 1s
build-ubuntu (3.10, tensorflow)	1m 0s
build-ubuntu (3.8, Python 3.8, torch_1.11)	1m 11s
build-ubuntu (3.12, torch_latest)	53s
	24m 21s

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