build

Pin tox and uv versions, to fix CI #58

Job	Run time
test (macos-latest, 3.8, py38)	32s
test (macos-latest, 3.9, py39)	9s
test (macos-latest, 3.10, py310)	9s
test (macos-latest, 3.11, py311)	9s
test (macos-latest, 3.12, py312)	27s
test (macos-latest, pypy3.8, pypy38)	19s
test (macos-latest, pypy3.9, pypy39)	20s
test (macos-latest, pypy3.10, pypy310)	18s
test (windows-latest, 3.8, py38)	30s
test (windows-latest, 3.9, py39)	21s
test (windows-latest, 3.10, py310)	30s
test (windows-latest, 3.11, py311)	30s
test (windows-latest, 3.12, py312)	1m 57s
test (windows-latest, pypy3.8, pypy38)	32s
test (windows-latest, pypy3.9, pypy39)	55s
test (windows-latest, pypy3.10, pypy310)	1m 0s
test (ubuntu-latest, 3.8, py38)	11s
test (ubuntu-latest, 3.9, py39)	8s
test (ubuntu-latest, 3.10, py310)	8s
test (ubuntu-latest, 3.11, py311)	12s
test (ubuntu-latest, 3.12, py312)	16s
test (ubuntu-latest, pypy3.8, pypy38)	21s
test (ubuntu-latest, pypy3.9, pypy39)	32s
test (ubuntu-latest, pypy3.10, pypy310)	17s
test (ubuntu-latest, 3.8, codestyle)	16s
test (ubuntu-latest, 3.8, lint)	7s
test (ubuntu-latest, 3.8, typecheck)	10s
	11m 16s

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