Prepare release 4.15.0 (#658) #2329

Job	Run time
Run tests (3.9.12)	14s
Run tests (3.10.4)	14s
Run tests (3.9)	9s
Run tests (3.10)	14s
Run tests (3.12)	14s
Run tests (3.13)	15s
Run tests (3.12.0)	17s
Run tests (3.11.0)	15s
Run tests (3.11)	11s
Run tests (pypy3.9)	12s
Run tests (3.13.0)	30s
Run tests (pypy3.11)	10s
Run tests (pypy3.10)	13s
Run tests (3.14)	22s
Report coverage	19s
Create an issue if daily tests failed	0s
	3m 49s

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