STY: Capitalize error messages #5500

Job	Run time
Build & verify package	15s
Build & verify package	15s
Check code style issues	38s
Check code style issues	38s
pytest on windows	8m 48s
pytest on windows	20m 7s
pytest on 3.8 (crypto-lib: cryptography)	5m 13s
pytest on 3.8 (crypto-lib: cryptography)	5m 13s
pytest on 3.9 (crypto-lib: cryptography)	5m 42s
pytest on 3.9 (crypto-lib: cryptography)	5m 42s
pytest on 3.10 (crypto-lib: cryptography)	5m 47s
pytest on 3.10 (crypto-lib: cryptography)	5m 47s
pytest on 3.11 (crypto-lib: cryptography)	5m 19s
pytest on 3.11 (crypto-lib: cryptography)	5m 19s
pytest on 3.12 (crypto-lib: cryptography)	7m 43s
pytest on 3.12 (crypto-lib: cryptography)	7m 43s
pytest on 3.13 (crypto-lib: cryptography)	7m 22s
pytest on 3.13 (crypto-lib: cryptography)	7m 22s
pytest on 3.8 (crypto-lib: pycryptodome)	5m 11s
pytest on 3.8 (crypto-lib: pycryptodome)	5m 11s
pytest on 3.8 (crypto-lib: none)	5m 10s
pytest on 3.8 (crypto-lib: none)	5m 10s
Combine & check coverage.	17s
Combine & check coverage.	17s
	2h 6m 9s

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