tests

DOC/REL: prepare 0.15.0 changelog and release #2203

Job	Run time
cygwin (3.9)	5m 53s
msvc (3.11)	4m 31s
test (ubuntu, 3.7)	1m 28s
homebrew (3.8)	1m 48s
test (ubuntu, 3.12)	2m 2s
homebrew (3.11)	2m 40s
pyston (3.8)	1m 26s
test (macos, 3.7)	2m 24s
mypy	15s
test (macos, 3.12)	3m 33s
test (windows, 3.7)	4m 53s
test (windows, 3.12)	6m 28s
test (ubuntu, pypy-3.9)	5m 28s
test (ubuntu, pypy-3.10)	6m 23s
test (ubuntu, 3.8)	1m 52s
test (ubuntu, 3.9)	1m 37s
test (ubuntu, 3.10)	1m 44s
test (ubuntu, 3.11, ~=0.63.3)	2m 10s
test (ubuntu, 3.11, ~=0.64.0)	2m 14s
test (ubuntu, 3.11, ~=1.0.0)	1m 43s
test (ubuntu, 3.11, ~=1.1.0)	2m 8s
test (ubuntu, 3.12, @git+https://github.com/mesonbuild/meson.git)	3m 20s
test (windows, 3.12, @git+https://github.com/mesonbuild/meson.git)	7m 30s
	1h 13m 30s

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