Bump astral-sh/setup-uv from 6.6.1 to 6.8.0 in the actions group (#684) #2432

Job	Run time
Run tests (3.9.12)	19s
Run tests (3.11)	15s
Run tests (3.10)	18s
Run tests (3.10.4)	25s
Run tests (3.9)	19s
Run tests (3.12)	19s
Run tests (3.13)	15s
Run tests (3.11.0)	20s
Run tests (pypy3.11)	24s
Run tests (3.13.0)	25s
Run tests (pypy3.10)	31s
Run tests (3.14)	22s
Run tests (3.12.0)	20s
Run tests (pypy3.9)	27s
Create an issue if daily tests failed	0s
	4m 59s

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