Tests

WIP - port to Cython 3, and GAP 4.12 #56

Job	Run time
Test on ubuntu-latest with Python 3.9 and GAP 4.12.2	1m 9s
Test on ubuntu-latest with Python 3.9 and GAP 4.13.0	1m 17s
Test on ubuntu-latest with Python 3.10 and GAP 4.12.2	1m 9s
Test on ubuntu-latest with Python 3.10 and GAP 4.13.0	1m 7s
Test on ubuntu-latest with Python 3.11 and GAP 4.12.2	1m 9s
Test on ubuntu-latest with Python 3.11 and GAP 4.13.0	1m 4s
Test on ubuntu-latest with Python 3.12 and GAP 4.12.2	1m 23s
Test on ubuntu-latest with Python 3.12 and GAP 4.13.0	1m 20s
Test on macos-latest with Python 3.9 and GAP 4.12.2	1m 17s
Test on macos-latest with Python 3.9 and GAP 4.13.0	2m 3s
Test on macos-latest with Python 3.10 and GAP 4.12.2	3m 46s
Test on macos-latest with Python 3.10 and GAP 4.13.0	2m 20s
Test on macos-latest with Python 3.11 and GAP 4.12.2	3m 22s
Test on macos-latest with Python 3.11 and GAP 4.13.0	1m 15s
Test on macos-latest with Python 3.12 and GAP 4.12.2	1m 36s
Test on macos-latest with Python 3.12 and GAP 4.13.0	1m 39s
	26m 56s

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