fix: keys_generator/requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-15263096

Author: snyk-bot

keys_generator/requirements.txt

@@ -3,5 +3,5 @@ keyrings.alt==4.2.0
 pycryptodome==3.19.1
 pyinstaller==6.8.0
 SecretStorage~=3.3.3
-cryptography~=44.0.2
+cryptography~=46.0.5
 importlib-metadata==4.13.0