Clarify version policy #2883

Job	Run time
Build docs	12s
Run tests (3.12)	32s
Run tests (3.11.0)	21s
Run tests (pypy3.11)	28s
Run tests (3.11)	19s
Run tests (pypy3.10)	28s
Run tests (3.13)	24s
Run tests (3.14)	21s
Run tests (3.9)	21s
Run tests (3.9.12)	23s
Run tests (3.10.4)	22s
Run tests (3.13.0)	35s
Run tests (3.12.0)	19s
Run tests (3.10)	19s
Run tests (pypy3.9)	32s
Create an issue if daily tests failed	0s
	5m 56s

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