chore(deps): update dependency pytz to v2026

Author: renovate[bot]

requirements.txt

@@ -6,7 +6,7 @@ cryptography==46.0.5
 pycparser==3.0
 pyOpenSSL==25.3.0
 python-dateutil==2.9.0.post0
-pytz==2025.2
+pytz==2026.1.post1
 six==1.17.0
 sortedcontainers==2.4.0
 typing-extensions==4.15.0