Update mypy to 2.0.0 #2446

Job	Run time
stub_uploader tests	4m 59s
stubtest: third party (windows-latest, 3)	1m 26s
stubtest: third party (ubuntu-latest, 0)	15m 57s
stubtest: third party (windows-latest, 1)	2m 9s
stubtest: third party (macos-latest, 1)	55s
stubtest: stdlib (windows-latest, 3.11)	1m 28s
stubtest: stdlib (ubuntu-latest, 3.13)	45s
stubtest: third party (ubuntu-latest, 2)	7m 27s
stubtest: third party (macos-latest, 0)	49s
stubtest: stdlib (windows-latest, 3.12)	1m 16s
stubtest: third party (windows-latest, 0)	1m 36s
stubtest: third party (macos-latest, 3)	1m 33s
stubtest: stdlib (ubuntu-latest, 3.14)	44s
stubtest: stdlib (ubuntu-latest, 3.12)	50s
stubtest: third party (windows-latest, 2)	2m 9s
stubtest: stdlib (ubuntu-latest, 3.11)	41s
stubtest: third party (ubuntu-latest, 1)	5m 43s
stubtest: stdlib (windows-latest, 3.13)	1m 20s
stubtest: third party (macos-latest, 2)	45s
stubtest: stdlib (macos-latest, 3.14)	34s
stubtest: stdlib (macos-latest, 3.12)	40s
stubtest: third party (ubuntu-latest, 3)	9m 50s
stubtest: stdlib (ubuntu-latest, 3.10)	45s
stubtest: stdlib (windows-latest, 3.14)	1m 31s
stubtest: stdlib (macos-latest, 3.13)	44s
stubtest: stdlib (macos-latest, 3.11)	33s
stubtest: stdlib (macos-latest, 3.10)	1m 7s
Create issue on failure	0s
	1h 8m 16s

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