Bump codecov/codecov-action from 5.3.1 to 6.0.0 #533

Job	Run time
Check if todos are annotated	2m 21s
Make source distribution	1m 32s
zenodo_json	5s
debug_build_ok	4m 4s
Check if source wheels are compilable	2m 47s
Build wheels on macos-14	19m 1s
Build wheels on macos-15-intel	35m 58s
Build wheels on ubuntu-24.04-arm	19m 50s
Build wheels on ubuntu-latest	21m 58s
Build wheels on windows-latest	47m 22s
Build wheels on macos-15	18m 26s
dist_upload	11s
dist_check (ubuntu-24.04-arm)	28s
Run example notebooks on macos-14	9m 24s
Run example notebooks on windows-latest	15m 55s
dist_check (ubuntu-latest)	23s
Run example notebooks on macos-15	9m 13s
Run example notebooks on ubuntu-24.04-arm	9m 56s
Run example notebooks on macos-15-intel	22m 17s
Run example notebooks on ubuntu-latest	25m 0s
	4h 26m 11s

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