Fix numpy2 compatibility #119

Job	Run time
lint and style checks	16s
test (windows-latest, 3.9, false, false)	1m 38s
test (windows-latest, 3.10, false, false)	1m 38s
test (windows-latest, 3.11, false, false)	1m 46s
test (windows-latest, 3.12, false, false)	1m 37s
test (ubuntu-latest, 3.9, false, false)	1m 40s
test (ubuntu-latest, 3.10, false, false)	1m 29s
test (ubuntu-latest, 3.11, false, false)	1m 28s
test (ubuntu-latest, 3.12, false, false)	1m 39s
test (macos-latest, 3.9, false, false)	1m 49s
test (macos-latest, 3.10, false, false)	1m 35s
test (macos-latest, 3.11, false, false)	1m 35s
test (macos-latest, 3.12, false, false)	1m 44s
test (3.11, ubuntu-latest, true, false)	1m 33s
test (3.10, ubuntu-latest, false, true)	1m 29s
coveralls	0s
	22m 56s

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