Fix numpy2 compatibility #118

Job	Run time
lint and style checks	21s
test (windows-latest, 3.9, false, false)	1m 26s
test (windows-latest, 3.10, false, false)	1m 23s
test (windows-latest, 3.11, false, false)	1m 28s
test (windows-latest, 3.12, false, false)	1m 27s
test (ubuntu-latest, 3.9, false, false)	1m 27s
test (ubuntu-latest, 3.10, false, false)	1m 31s
test (ubuntu-latest, 3.11, false, false)	1m 28s
test (ubuntu-latest, 3.12, false, false)	1m 32s
test (macos-latest, 3.9, false, false)	1m 36s
test (macos-latest, 3.10, false, false)	1m 36s
test (macos-latest, 3.11, false, false)	1m 35s
test (macos-latest, 3.12, false, false)	1m 36s
test (3.11, ubuntu-latest, true, false)	1m 28s
test (3.10, ubuntu-latest, false, true)	1m 24s
coveralls	0s
	21m 18s

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