ci: Add support for Python 3.13 on builds #87

Job	Run time
Functional testing with Python 3.8	1m 21s
Functional testing with Python 3.8	1m 20s
Functional testing with Python 3.9	1m 22s
Functional testing with Python 3.9	1m 6s
Functional testing with Python 3.10	1m 18s
Functional testing with Python 3.10	1m 17s
Unit testing with Python 3.11	17s
Unit testing with Python 3.11	17s
Functional testing with Python 3.11	1m 14s
Functional testing with Python 3.11	1m 33s
Unit testing with Python 3.12	19s
Unit testing with Python 3.12	19s
Unit testing with Python 3.13	28s
Unit testing with Python 3.13	26s
	12m 37s

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