fix: add types-pytz to dev dependencies for mypy

Co-Authored-By: David Gold <[email protected]>

Author: devin-ai-integration[bot]

poetry.lock

@@ -119,6 +119,7 @@ types-requests = "^2.32.0.20241016"
 types-python-dateutil = "^2.9.0.20241003"
 types-pyyaml = "^6.0.12.20240917"
 types-cachetools = "^5.5.0.20240820"
+types-pytz = "*"
 deptry = "^0.23.0"
 dagger-io = "0.19.0"