Support Python 3.14 #3984

Job	Run time
checks / readme-snippets	11s
checks / test (3.10, highest, ubuntu-latest)	47s
checks / test (3.10, highest, windows-latest)	2m 16s
checks / test (3.10, lowest-direct, ubuntu-latest)	44s
checks / test (3.12, lowest-direct, windows-latest)	3m 16s
checks / test (3.13, lowest-direct, ubuntu-latest)	44s
checks / test (3.11, lowest-direct, ubuntu-latest)	45s
checks / test (3.14, lowest-direct, windows-latest)	27s
checks / pre-commit	32s
checks / test (3.12, highest, ubuntu-latest)	50s
checks / test (3.11, lowest-direct, windows-latest)	2m 29s
checks / test (3.12, lowest-direct, ubuntu-latest)	49s
checks / test (3.13, lowest-direct, windows-latest)	2m 26s
checks / test (3.11, highest, windows-latest)	2m 31s
checks / test (3.12, highest, windows-latest)	3m 19s
checks / test (3.14, lowest-direct, ubuntu-latest)	13s
checks / test (3.13, highest, windows-latest)	2m 33s
checks / test (3.10, lowest-direct, windows-latest)	2m 34s
checks / test (3.14, highest, ubuntu-latest)	1m 7s
checks / test (3.11, highest, ubuntu-latest)	46s
checks / test (3.14, highest, windows-latest)	2m 18s
checks / test (3.13, highest, ubuntu-latest)	44s
	32m 21s

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