Regenerated mnist #2363

Job	Run time
Check Python 3.8 on ubuntu-latest	16m 56s
Distribution build	22s
Format	20s
Check Python 3.8 on macos-latest	19m 19s
Check Python 3.8 on windows-latest	23m 18s
Check Python 3.10 on ubuntu-latest	13m 30s
Check Python 3.10 on macos-latest	18m 56s
Check Python 3.10 on windows-latest	22m 7s
Check Python 3.11 on ubuntu-latest	11m 2s
Check Python 3.11 on macos-latest	24m 15s
Check Python 3.11 on windows-latest	17m 14s
	2h 47m 19s

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