SEC: Limit allowed `/Length` value of stream (#3675) #7850

Job	Run time
Build & verify package	14s
pytest on windows	4m 6s
pytest on macOS	3m 1s
Check code style issues	1m 47s
pytest on 3.9 (crypto-lib: cryptography)	6m 6s
pytest on 3.13 (crypto-lib: cryptography)	6m 5s
pytest on 3.12 (crypto-lib: cryptography)	7m 3s
pytest on 3.9 (crypto-lib: pycryptodome)	6m 13s
pytest on 3.11 (crypto-lib: cryptography)	5m 10s
pytest on 3.10 (crypto-lib: cryptography)	6m 19s
pytest on 3.9 (crypto-lib: none)	6m 6s
pytest on 3.14 (crypto-lib: cryptography)	2m 51s
pytest on pypy3.11 (crypto-lib: cryptography)	3m 40s
Combine & check coverage.	21s
	59m 2s

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