chore(deps): update dependency mypy to v1.19.0

Author: renovate[bot]

pyproject.toml

@@ -28,7 +28,7 @@ types = [
   "celery-types==0.23.0",
   "django-stubs-ext==5.2.7",
   "django-stubs[compatible-mypy]==5.2.7",
-  "mypy==1.18.2",
+  "mypy==1.19.0",
   "types-dateparser==1.2.2.20250809",
   "types-python-dateutil==2.9.0.20251115",
   "types-requests==2.32.4.20250913"