Test

Add Python 3.15 test infrastructure #35983

Job	Run time
Check typeshed structure	13s
stub_uploader tests	5m 7s
mypy: Run test cases	15m 22s
pyright: Run test cases (Darwin, 3.14)	1m 44s
pyright: Run test cases (Linux, 3.14)	1m 40s
pyright: Run test cases (Windows, 3.14)	1m 31s
pyright: Run test cases (Windows, 3.13)	1m 26s
pyright: Run test cases (Darwin, 3.11)	1m 31s
pyright: Run test cases (Linux, 3.12)	1m 38s
pyright: Run test cases (Darwin, 3.12)	1m 36s
pyright: Run test cases (Windows, 3.11)	1m 18s
mypy: Check stubs (darwin, 3.11)	2m 1s
mypy: Check stubs (win32, 3.14)	6m 23s
mypy: Check stubs (win32, 3.11)	1m 46s
pyright: Run test cases (Windows, 3.12)	1m 26s
mypy: Check stubs (win32, 3.10)	2m 3s
mypy: Check stubs (darwin, 3.15)	15m 19s
mypy: Check stubs (linux, 3.13)	1m 57s
mypy: Check stubs (darwin, 3.10)	2m 27s
pyright: Run test cases (Linux, 3.13)	1m 44s
mypy: Check stubs (linux, 3.12)	1m 55s
mypy: Check stubs (win32, 3.12)	2m 18s
pyright: Run test cases (Linux, 3.11)	1m 35s
mypy: Check stubs (linux, 3.14)	1m 56s
mypy: Check stubs (linux, 3.15)	15m 27s
mypy: Check stubs (win32, 3.15)	15m 25s
mypy: Check stubs (darwin, 3.12)	2m 5s
mypy: Check stubs (linux, 3.11)	2m 0s
pyright: Run test cases (Darwin, 3.13)	1m 22s
mypy: Check stubs (darwin, 3.13)	2m 14s
mypy: Check stubs (linux, 3.10)	2m 1s
mypy: Check stubs (darwin, 3.14)	2m 18s
mypy: Check stubs (win32, 3.13)	2m 2s
	2h 0m 50s

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