tests

MAINT: bump minimum required pyproject-metadata version to 0.8.0 #2390

Job	Run time
msvc (3.11)	2m 42s
cygwin (3.9)	4m 55s
mypy	17s
homebrew (3.8)	2m 6s
pyston (3.8)	1m 10s
homebrew (3.11)	2m 54s
test (ubuntu, 3.7)	1m 28s
test (ubuntu, 3.12)	1m 53s
test (macos, 3.7)	2m 1s
test (macos, 3.12)	2m 42s
test (windows, 3.7)	4m 7s
test (windows, 3.12)	4m 17s
test (ubuntu, pypy-3.9)	4m 36s
test (ubuntu, pypy-3.10)	5m 36s
test (ubuntu, 3.8)	1m 34s
test (ubuntu, 3.9)	1m 40s
test (ubuntu, 3.10)	1m 46s
test (ubuntu, 3.11, ~=0.63.3)	1m 38s
test (ubuntu, 3.11, ~=0.64.0)	2m 8s
test (ubuntu, 3.11, ~=1.0.0)	1m 49s
test (ubuntu, 3.11, ~=1.1.0)	2m 9s
test (ubuntu, 3.12, ~=1.2.3)	1m 56s
test (ubuntu, 3.12, ~=1.3)	1m 48s
test (ubuntu, 3.12, @git+https://github.com/mesonbuild/meson.git)	2m 5s
test (windows, 3.12, @git+https://github.com/mesonbuild/meson.git)	4m 37s
	1h 3m 54s

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