Fix security vulnerabilities in dependencies

Update pinned versions to address:
- CVE-2025-47273, CVE-2024-6345: setuptools 68.2.2 → 78.1.1
- CVE-2024-35195, CVE-2024-47081: requests 2.31.0 → 2.32.3
- CVE-2024-26130, CVE-2024-12797, GHSA-h4gh-qq45-vh27: cryptography 42.0.2 → 44.0.1

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: vredchenko

requirements.txt

@@ -1,8 +1,8 @@
 click==8.1.7
-requests==2.31.0
+requests==2.32.3
 keyring==24.3.0
 python-dotenv==1.0.0
 questionary==2.0.1
 PyYAML==6.0.1
-cryptography==42.0.2
-setuptools==68.2.2
+cryptography==44.0.1
+setuptools==78.1.1