Merge https://github.com/jaraco/skeleton #1170

Job	Run time
ci_setuptools (3.10, ubuntu-latest)	4m 2s
test_cygwin (39, windows-latest)	3m 22s
test (3.8, ubuntu-latest)	1m 0s
collateral (diffcov)	43s
test_msvc_python_mingw	1m 41s
test (3.8, macos-latest)	1m 10s
collateral (docs)	30s
test_msys2_mingw (mingw64, x86_64, gcc, g++)	1m 41s
test (3.8, windows-latest)	2m 24s
test_msys2_mingw (mingw32, i686, gcc, g++)	2m 7s
test (3.13, ubuntu-latest)	57s
test_msys2_mingw (ucrt64, ucrt-x86_64, gcc, g++)	1m 36s
test (3.13, macos-latest)	1m 3s
test_msys2_mingw (clang64, clang-x86_64, clang, clang++)	1m 48s
test (3.13, windows-latest)	2m 45s
test (3.9, ubuntu-latest)	51s
test (3.10, ubuntu-latest)	1m 51s
test (3.11, ubuntu-latest)	1m 51s
test (3.12, ubuntu-latest)	50s
test (3.14, ubuntu-latest)	44s
test (pypy3.10, ubuntu-latest)	2m 2s
check	4s
release	0s
	35m 2s

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