stdlib: fix some enum definitions #24244

Job	Run time
Run mypy against the stubs (linux, 3.8)	1m 36s
Run mypy against the stubs (linux, 3.9)	1m 35s
Run mypy against the stubs (linux, 3.10)	1m 39s
Test typeshed with pyright (Linux, 3.8)	54s
Run mypy against the stubs (linux, 3.11)	1m 35s
Test typeshed with pyright (Linux, 3.9)	1m 4s
Run mypy against the stubs (linux, 3.12)	1m 48s
Test typeshed with pyright (Linux, 3.10)	57s
Run mypy against the stubs (win32, 3.8)	1m 32s
Test typeshed with pyright (Linux, 3.11)	1m 7s
Run mypy against the stubs (win32, 3.9)	1m 40s
Test typeshed with pyright (Linux, 3.12)	53s
Test typeshed with pyright (Windows, 3.8)	57s
Run mypy against the stubs (win32, 3.10)	1m 36s
Test typeshed with pyright (Windows, 3.9)	57s
Run mypy against the stubs (win32, 3.11)	1m 42s
Test typeshed with pyright (Windows, 3.10)	55s
Run mypy against the stubs (win32, 3.12)	1m 48s
Run mypy against the stubs (darwin, 3.8)	1m 32s
Test typeshed with pyright (Windows, 3.11)	56s
Run mypy against the stubs (darwin, 3.9)	1m 43s
Test typeshed with pyright (Windows, 3.12)	1m 1s
Run mypy against the stubs (darwin, 3.10)	1m 46s
Test typeshed with pyright (Darwin, 3.8)	54s
Run mypy against the stubs (darwin, 3.11)	1m 35s
Test typeshed with pyright (Darwin, 3.9)	53s
Run mypy against the stubs (darwin, 3.12)	1m 47s
Test typeshed with pyright (Darwin, 3.10)	54s
Test typeshed with pyright (Darwin, 3.11)	55s
Test typeshed with pyright (Darwin, 3.12)	55s
Run mypy on the test cases	3m 12s
Run pytype against the stubs	1m 32s
Run the stub_uploader tests	2m 53s
Check typeshed structure	8s
	46m 51s

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