tests

Move to Manifold for Boolean Operations #252

Job	Run time
test (3.8, ubuntu-latest, test)	35s
test (3.8, ubuntu-latest, test-full)	47s
test (3.8, windows-latest, test)	33s
test (3.8, windows-latest, test-full)	41s
test (3.9, ubuntu-latest, test)	33s
test (3.9, ubuntu-latest, test-full)	49s
test (3.9, windows-latest, test)	17s
test (3.9, windows-latest, test-full)	18s
test (3.10, ubuntu-latest, test)	39s
test (3.10, ubuntu-latest, test-full)	48s
test (3.10, windows-latest, test)	37s
test (3.10, windows-latest, test-full)	29s
test (3.11, ubuntu-latest, test)	34s
test (3.11, ubuntu-latest, test-full)	49s
test (3.11, windows-latest, test)	34s
test (3.11, windows-latest, test-full)	36s
test (3.12, ubuntu-latest, test)	48s
test (3.12, ubuntu-latest, test-full)	48s
test (3.12, windows-latest, test)	38s
test (3.12, windows-latest, test-full)	37s
check-format / check	14s
	12m 44s

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