tests

MAINT: bump minimum required pyproject-metadata version to 0.8.0 #2383

Job	Run time
mypy	15s
cygwin (3.9)	8m 41s
homebrew (3.8)	3m 33s
msvc (3.11)	3m 48s
pyston (3.8)	1m 7s
homebrew (3.11)	4m 55s
test (ubuntu, 3.7)	1m 28s
test (ubuntu, 3.12)	2m 6s
test (macos, 3.7)	5m 21s
test (macos, 3.12)	5m 56s
test (windows, 3.7)	3m 46s
test (windows, 3.12)	4m 11s
test (ubuntu, pypy-3.9)	4m 33s
test (ubuntu, pypy-3.10)	5m 31s
test (ubuntu, 3.8)	2m 7s
test (ubuntu, 3.9)	1m 33s
test (ubuntu, 3.10)	1m 30s
test (ubuntu, 3.11, ~=0.63.3)	1m 35s
test (ubuntu, 3.11, ~=0.64.0)	1m 58s
test (ubuntu, 3.11, ~=1.0.0)	2m 11s
test (ubuntu, 3.11, ~=1.1.0)	1m 33s
test (ubuntu, 3.12, ~=1.2.3)	1m 42s
test (ubuntu, 3.12, ~=1.3)	1m 45s
test (ubuntu, 3.12, @git+https://github.com/mesonbuild/meson.git)	2m 6s
test (windows, 3.12, @git+https://github.com/mesonbuild/meson.git)	4m 27s
	1h 17m 38s

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