tests

MAINT: bump minimum required pyproject-metadata version to 0.8.0 #2387

Job	Run time
msvc (3.11)	40s
cygwin (3.9)	2m 44s
test (ubuntu, 3.7)	15s
homebrew (3.8)	46s
test (ubuntu, 3.12)	18s
mypy	5s
homebrew (3.11)	33s
test (macos, 3.7)	49s
pyston (3.8)	26s
test (macos, 3.12)	25s
test (windows, 3.7)	1m 4s
test (windows, 3.12)	1m 1s
test (ubuntu, pypy-3.9)	21s
test (ubuntu, pypy-3.10)	25s
test (ubuntu, 3.8)	21s
test (ubuntu, 3.9)	13s
test (ubuntu, 3.10)	14s
test (ubuntu, 3.11, ~=0.63.3)	19s
test (ubuntu, 3.11, ~=0.64.0)	16s
test (ubuntu, 3.11, ~=1.0.0)	15s
test (ubuntu, 3.11, ~=1.1.0)	18s
test (ubuntu, 3.12, ~=1.2.3)	17s
test (ubuntu, 3.12, ~=1.3)	15s
test (ubuntu, 3.12, @git+https://github.com/mesonbuild/meson.git)	21s
test (windows, 3.12, @git+https://github.com/mesonbuild/meson.git)	1m 26s
	14m 7s

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