tests

Move to Manifold for Boolean Operations #246

Job	Run time
test (3.8, ubuntu-latest, test)	6m 29s
test (3.8, ubuntu-latest, test-full)	8m 20s
test (3.8, windows-latest, test)	7m 43s
test (3.8, windows-latest, test-full)	10m 32s
test (3.9, ubuntu-latest, test)	6m 55s
test (3.9, ubuntu-latest, test-full)	8m 30s
test (3.9, windows-latest, test)	8m 44s
test (3.9, windows-latest, test-full)	10m 33s
test (3.10, ubuntu-latest, test)	6m 22s
test (3.10, ubuntu-latest, test-full)	8m 12s
test (3.10, windows-latest, test)	8m 43s
test (3.10, windows-latest, test-full)	12m 17s
test (3.11, ubuntu-latest, test)	6m 19s
test (3.11, ubuntu-latest, test-full)	7m 57s
test (3.11, windows-latest, test)	8m 50s
test (3.11, windows-latest, test-full)	11m 15s
test (3.12, ubuntu-latest, test)	6m 59s
test (3.12, ubuntu-latest, test-full)	17m 52s
test (3.12, windows-latest, test)	9m 22s
test (3.12, windows-latest, test-full)	15m 2s
check-format / check	16s
	3h 7m 12s

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