Extend testing workflow to test on mac (intel and arm) #22

Job	Run time
Test PyMEOS for Python 3.8 on ubuntu-latest	1m 33s
Test PyMEOS for Python 3.8 on macos-13	3m 34s
Test PyMEOS for Python 3.9 on ubuntu-latest	1m 42s
Test PyMEOS for Python 3.9 on macos-13	3m 47s
Test PyMEOS for Python 3.10 on ubuntu-latest	1m 36s
Test PyMEOS for Python 3.10 on macos-13	3m 58s
Test PyMEOS for Python 3.10 on macos-14	2m 2s
Test PyMEOS for Python 3.11 on ubuntu-latest	1m 30s
Test PyMEOS for Python 3.11 on macos-13	4m 12s
Test PyMEOS for Python 3.11 on macos-14	1m 48s
Test PyMEOS for Python 3.12 on ubuntu-latest	1m 29s
Test PyMEOS for Python 3.12 on macos-13	13m 17s
Test PyMEOS for Python 3.12 on macos-14	2m 0s
	42m 28s

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