DEV: Bump codecov/codecov-action from 4 to 5 #5764

Job	Run time
Check code style issues	35s
pytest on windows	6m 55s
Build & verify package	15s
pytest on 3.8 (crypto-lib: cryptography)	5m 51s
pytest on 3.9 (crypto-lib: cryptography)	5m 18s
pytest on 3.10 (crypto-lib: cryptography)	5m 40s
pytest on 3.11 (crypto-lib: cryptography)	4m 45s
pytest on 3.12 (crypto-lib: cryptography)	6m 39s
pytest on 3.13 (crypto-lib: cryptography)	6m 34s
pytest on 3.8 (crypto-lib: pycryptodome)	5m 33s
pytest on 3.8 (crypto-lib: none)	5m 36s
Combine & check coverage.	12s
	53m 53s

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