Run mypy_primer

Replace `NoReturn` with `Never` #23069

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Run time

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Job	Run time
Run (1)	4m 39s
Run (3)	3m 57s
Run (5)	4m 44s
Run (2)	6m 11s
Run (4)	5m 8s
Run (0)	4m 21s
Join artifacts	6s
	29m 6s