tests

Don't automatically add PyInit_<name> to export symbols in Python 3.15+ #1488

Job	Run time
collateral (diffcov)	50s
test_msvc_python_mingw	2m 41s
test_cygwin (39, windows-latest)	6m 30s
test_msys2_mingw (clang64, clang-x86_64, clang, clang++)	1m 44s
test_msys2_mingw (mingw32, i686, gcc, g++)	1m 38s
ci_setuptools (3.10, ubuntu-latest)	3m 24s
collateral (docs)	31s
test_msys2_mingw (ucrt64, ucrt-x86_64, gcc, g++)	1m 34s
test_msys2_mingw (mingw64, x86_64, gcc, g++)	1m 38s
test (3.13, ubuntu-latest)	56s
test (3.11, ubuntu-latest)	47s
test (3.13, macos-latest)	1m 10s
test (3.13, windows-latest)	53s
test (3.9, macos-latest)	1m 6s
test (3.10, ubuntu-latest)	55s
test (3.14, ubuntu-latest)	1m 2s
test (3.9, ubuntu-latest)	51s
test (3.9, windows-latest)	53s
test (3.12, ubuntu-latest)	51s
test (pypy3.10, ubuntu-latest)	1m 2s
check	4s
release	-1s
	30m 59s

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