Move CI to "ubuntu-latest" #1894

Job	Run time
Lint	8s
Run tests (3.8)	6s
Run tests (3.8.0)	4s
Run tests (3.9)	5s
Run tests (3.9.0)	11s
Run tests (3.10)	5s
Run tests (3.10.0)	10s
Run tests (3.11)	8s
Run tests (3.11.0)	7s
Run tests (3.12)	8s
Run tests (3.12.0)	10s
Run tests (3.13)	9s
Run tests (3.13.0)	9s
Run tests (pypy3.8)	11s
Run tests (pypy3.9)	10s
Run tests (pypy3.10)	11s
Create an issue if daily tests failed	0s
	2m 12s

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