Add 3.15 to CI (#678) #432

Job	Run time
Run test with Python 3.14 on ubuntu-latest	27s
Run test with Python 3.15t on windows-latest	2m 38s
Run test with Python 3.13 on windows-latest	58s
Run test with Python 3.12 on windows-latest	1m 11s
Run test with Python 3.10 on ubuntu-latest	28s
Run test with Python 3.15t on windows-11-arm	2m 54s
Run test with Python 3.15t on ubuntu-latest	1m 16s
Run test with Python 3.15 on windows-latest	1m 36s
Run test with Python 3.11 on windows-latest	49s
Run test with Python 3.12 on ubuntu-latest	32s
Run test with Python 3.14t on windows-latest	2m 17s
Run test with Python 3.14t on ubuntu-latest	1m 18s
Run test with Python 3.14 on windows-11-arm	2m 5s
Run test with Python 3.10 on windows-latest	1m 23s
Run test with Python 3.13 on windows-11-arm	1m 26s
Run test with Python 3.11 on ubuntu-latest	31s
Run test with Python 3.14 on macos-latest	22s
Run test with Python 3.14t on windows-11-arm	2m 52s
Run test with Python 3.13 on ubuntu-latest	28s
Run test with Python 3.15 on ubuntu-latest	46s
Run test with Python 3.12 on macos-latest	24s
Run test with Python 3.13 on macos-latest	24s
Run test with Python 3.15t on macos-latest	1m 52s
Run test with Python 3.11 on macos-latest	31s
Run test with Python 3.15 on windows-11-arm	2m 36s
Run test with Python 3.10 on macos-latest	41s
Run test with Python 3.14 on windows-latest	58s
Run test with Python 3.14t on macos-latest	1m 21s
Run test with Python 3.12 on windows-11-arm	1m 2s
Run test with Python 3.15 on macos-latest	40s
Run test with Python 3.11 on windows-11-arm	2m 20s
	39m 6s

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