Tests

Bump codecov/codecov-action from 5.0.7 to 5.1.1 #4732

Job	Run time
OS/Python/stable matrix pre-compute	1s
tests (windows-2022, 3.14-dev, unstable)	14m 11s
tests (windows-2022, 3.10, stable)	4m 43s
tests (windows-2022, 3.13, stable)	5m 25s
tests (ubuntu-24.04, 3.14-dev, unstable)	8m 30s
tests (ubuntu-24.04, 3.10, stable)	25m 39s
tests (ubuntu-24.04, 3.13, stable)	25m 41s
tests (macos-15, 3.14-dev, unstable)	3m 40s
tests (macos-15, 3.10, stable)	2h 33m 56s
tests (macos-15, 3.13, stable)	2h 30m 19s
	6h 32m 5s

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