Add experimental support for Python 3.13 #209

Job	Run time
Run test with Python 3.13-dev on ubuntu-latest	40s
Run test with Python 3.12 on ubuntu-latest	32s
Run test with Python 3.11 on ubuntu-latest	30s
Run test with Python 3.10 on ubuntu-latest	31s
Run test with Python 3.9 on ubuntu-latest	32s
Run test with Python 3.8 on ubuntu-latest	40s
Run test with Python 3.13-dev on windows-latest	1m 51s
Run test with Python 3.12 on windows-latest	1m 32s
Run test with Python 3.11 on windows-latest	1m 40s
Run test with Python 3.10 on windows-latest	1m 10s
Run test with Python 3.9 on windows-latest	1m 54s
Run test with Python 3.8 on windows-latest	1m 40s
Run test with Python 3.13-dev on macos-latest	47s
Run test with Python 3.12 on macos-latest	33s
Run test with Python 3.11 on macos-latest	28s
Run test with Python 3.10 on macos-latest	47s
Run test with Python 3.9 on macos-latest	54s
Run test with Python 3.8 on macos-latest	1m 1s
	17m 42s

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