Test

Add Python 3.15 test infrastructure #35991

Job	Run time
mypy: Run test cases	16m 4s
stub_uploader tests	4m 59s
pyright: Run test cases (Windows, 3.12)	1m 33s
Check typeshed structure	15s
pyright: Run test cases (Darwin, 3.14)	1m 51s
pyright: Run test cases (Linux, 3.12)	1m 32s
pyright: Run test cases (Windows, 3.11)	1m 22s
pyright: Run test cases (Linux, 3.13)	1m 26s
pyright: Run test cases (Linux, 3.11)	1m 19s
pyright: Run test cases (Darwin, 3.11)	1m 18s
pyright: Run test cases (Windows, 3.14)	1m 46s
pyright: Run test cases (Darwin, 3.12)	1m 31s
pyright: Run test cases (Darwin, 3.13)	1m 34s
pyright: Run test cases (Linux, 3.14)	1m 56s
mypy: Check stubs (darwin, 3.13)	7m 15s
mypy: Check stubs (linux, 3.15)	4m 28s
mypy: Check stubs (linux, 3.12)	7m 8s
mypy: Check stubs (win32, 3.12)	2m 3s
mypy: Check stubs (linux, 3.13)	2m 15s
mypy: Check stubs (linux, 3.10)	2m 15s
pyright: Run test cases (Windows, 3.13)	1m 35s
mypy: Check stubs (darwin, 3.12)	2m 22s
mypy: Check stubs (win32, 3.15)	4m 41s
mypy: Check stubs (win32, 3.10)	1m 59s
mypy: Check stubs (linux, 3.14)	2m 57s
mypy: Check stubs (darwin, 3.15)	7m 3s
mypy: Check stubs (win32, 3.11)	1m 58s
mypy: Check stubs (darwin, 3.14)	2m 39s
mypy: Check stubs (win32, 3.13)	2m 12s
mypy: Check stubs (darwin, 3.10)	1m 56s
mypy: Check stubs (darwin, 3.11)	3m 7s
mypy: Check stubs (linux, 3.11)	3m 51s
mypy: Check stubs (win32, 3.14)	3m 16s
	1h 43m 26s

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