Clarify version policy #2891

Job	Run time
Build docs	11s
Run tests (pypy3.10)	26s
Run tests (3.13)	16s
Run tests (3.9)	23s
Run tests (3.11)	18s
Run tests (3.10)	15s
Run tests (pypy3.11)	24s
Run tests (3.9.12)	19s
Run tests (3.11.0)	23s
Run tests (3.14)	18s
Run tests (3.12)	16s
Run tests (3.10.4)	20s
Run tests (3.12.0)	21s
Run tests (pypy3.9)	37s
Run tests (3.13.0)	25s
Create an issue if daily tests failed	-1s
	5m 11s

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