Support Python 3.14 #3993

Job	Run time
checks / readme-snippets	13s
checks / pre-commit	31s
checks / test (3.11, lowest-direct, windows-latest)	2m 28s
checks / test (3.10, lowest-direct, windows-latest)	2m 56s
checks / test (3.10, highest, windows-latest)	2m 24s
checks / test (3.10, lowest-direct, ubuntu-latest)	48s
checks / test (3.12, lowest-direct, windows-latest)	3m 15s
checks / test (3.11, highest, windows-latest)	2m 57s
checks / test (3.10, highest, ubuntu-latest)	48s
checks / test (3.13, lowest-direct, windows-latest)	2m 22s
checks / test (3.11, lowest-direct, ubuntu-latest)	46s
checks / test (3.12, lowest-direct, ubuntu-latest)	51s
checks / test (3.13, lowest-direct, ubuntu-latest)	44s
checks / test (3.12, highest, ubuntu-latest)	50s
checks / test (3.12, highest, windows-latest)	3m 23s
checks / test (3.11, highest, ubuntu-latest)	47s
checks / test (3.13, highest, ubuntu-latest)	46s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 10s
checks / test (3.13, highest, windows-latest)	2m 21s
checks / test (3.14, highest, ubuntu-latest)	1m 16s
checks / test (3.14, highest, windows-latest)	2m 13s
checks / test (3.14, lowest-direct, windows-latest)	2m 14s
	36m 3s

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