Add `@disjoint_base` (PEP 800) (#634) #2262

Job	Run time
Run tests (3.10.4)	15s
Run tests (3.13.0)	16s
Run tests (pypy3.9)	10s
Run tests (3.11.0)	16s
Run tests (3.11)	9s
Run tests (3.9)	11s
Run tests (3.9.12)	14s
Run tests (3.13)	7s
Run tests (3.12)	11s
Run tests (pypy3.11)	10s
Run tests (3.12.0)	16s
Run tests (3.10)	9s
Run tests (pypy3.10)	12s
Run tests (3.14)	20s
Create an issue if daily tests failed	0s
	2m 56s

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