Bump codecov/codecov-action from 3.1.1 to 4.5.0 #32

Job	Run time
mypy	3m 40s
py3.12 \| macos \| integration tests	16m 13s
py3.12 \| macos \| unit tests	12m 42s
py3.12 \| ubuntu \| integration tests	18m 14s
py3.12 \| ubuntu \| unit tests	13m 9s
py3.12 \| windows \| integration tests	32m 27s
py3.12 \| windows \| unit tests	20m 17s
py3.10 \| ubuntu \| unit tests	11m 43s
py3.11 \| ubuntu \| unit tests	11m 59s
	2h 20m 24s

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