[client-python] chore(deps): update dependency types-pytz to v2026

Author: renovate[bot]

pyproject.toml

@@ -50,7 +50,7 @@ dev = [
     "black (>=26.3.1,<26.4.0)",
     "build (>=1.4.4,<1.5.0)",
     "isort (>=8.0.1,<8.1.0)",
-    "types-pytz (>=2025.2.0.20250326,<2025.3.0.0)",
+    "types-pytz (>=2026.2.0.20260518,<2026.3.0.0)",
     "pre-commit (>=4.6.0,<4.7.0)",
     "types-python-dateutil (>=2.9.0,<2.10.0)",
     "wheel (>=0.47.0,<0.48.0)",