ENH: add support for PEP 639 #2523

Job	Run time
msvc (3.11)	3m 37s
homebrew (3.8)	8s
mypy	13s
cygwin (3.9)	7m 6s
pyston (3.8)	2m 0s
homebrew (3.11)	1m 14s
test (ubuntu-latest, 3.7)	1m 48s
test (ubuntu-latest, 3.12)	2m 16s
test (macos-13, 3.7)	3m 19s
test (macos-13, 3.12)	3m 50s
test (windows-latest, 3.7)	4m 23s
test (windows-latest, 3.12)	5m 49s
test (ubuntu-latest, pypy-3.9)	5m 29s
test (ubuntu-latest, pypy-3.10)	5m 14s
test (ubuntu-latest, 3.8)	1m 50s
test (ubuntu-latest, 3.9)	2m 10s
test (ubuntu-latest, 3.10)	1m 56s
test (ubuntu-latest, 3.11, ~=0.63.3)	2m 0s
test (ubuntu-latest, 3.11, ~=0.64.0)	1m 57s
test (ubuntu-latest, 3.11, ~=1.0.0)	1m 59s
test (ubuntu-latest, 3.11, ~=1.1.0)	2m 24s
test (ubuntu-latest, 3.12, ~=1.2.3)	2m 9s
test (ubuntu-latest, 3.12, ~=1.3)	2m 12s
test (ubuntu-latest, 3.12, @git+https://github.com/mesonbuild/meson.git)	3m 5s
test (windows-latest, 3.12, @git+https://github.com/mesonbuild/meson.git)	6m 3s
test (ubuntu-latest, 3.12, ==0.7.1)	2m 14s
test (ubuntu-latest, 3.12, ==0.9.0b7, ==1.6.0rc2)	2m 21s
	1h 18m 46s

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