Bump codecov/codecov-action from 5.4.0 to 5.4.2 #870

Job	Run time
py3.13 \| macos \| unit tests	8m 8s
py3.13 \| ubuntu \| unit tests	13m 24s
mypy	3m 43s
py3.13 \| macos \| integration tests	15m 22s
py3.13 \| windows \| unit tests	21m 59s
py3.13 \| ubuntu \| integration tests	19m 40s
py3.10 \| ubuntu \| unit tests	13m 19s
py3.13 \| windows \| integration tests	32m 22s
py3.11 \| ubuntu \| unit tests	13m 2s
py3.10 \| ubuntu \| integration tests	18m 55s
py3.12 \| ubuntu \| unit tests	14m 15s
merge-test-artifacts	4s
	2h 54m 13s

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