Bump codecov/codecov-action from 4 to 5 #935

Job	Run time
Create Example List	8s
Run Example: (fluorescence)	1m 21s
Run Example: (transient-absorption)	1m 12s
Run Example: (transient-absorption-two-datasets)	1m 23s
Run Example: (spectral-constraints)	1m 0s
Run Example: (spectral-guidance)	1m 19s
Run Example: (two-datasets)	1m 6s
Run Example: (sim-3d-disp)	1m 15s
Run Example: (sim-3d-nodisp)	1m 8s
Run Example: (sim-3d-weight)	1m 31s
Run Example: (sim-6d-disp)	1m 23s
Run Example: (doas-beta)	1m 11s
Collect artifacts and reupload as bundel	7s
	14m 4s

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