Remove PY3.8 support; Add PY3.13 support #1053

Job	Run time
linters (3.9, ubuntu-latest)	1m 45s
Testing on Python 3.9 (ubuntu-latest)	1m 39s
Testing on Python 3.9 (macos-13)	1m 37s
Testing on Python 3.9 (windows-2019)	1m 40s
Testing on Python 3.10 (ubuntu-latest)	1m 43s
Testing on Python 3.10 (macos-13)	1m 45s
Testing on Python 3.10 (windows-2019)	2m 55s
Testing on Python 3.11 (ubuntu-latest)	1m 46s
Testing on Python 3.11 (macos-13)	1m 42s
Testing on Python 3.11 (windows-2019)	1m 52s
Testing on Python 3.12 (ubuntu-latest)	1m 51s
Testing on Python 3.12 (macos-13)	1m 37s
Testing on Python 3.12 (windows-2019)	1m 49s
Testing on Python 3.13 (ubuntu-latest)	1m 38s
Testing on Python 3.13 (macos-13)	1m 42s
Testing on Python 3.13 (windows-2019)	1m 49s
	28m 50s

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