Update mypy to 1.11.1 (cookiecutter#5270)

{{cookiecutter.project_slug}}/requirements/local.txt

@@ -13,7 +13,7 @@ watchfiles==0.21.0  # https://github.com/samuelcolvin/watchfiles
 
 # Testing
 # ------------------------------------------------------------------------------
-mypy==1.11.0  # https://github.com/python/mypy
+mypy==1.11.1  # https://github.com/python/mypy
 django-stubs[compatible-mypy]==5.0.4  # https://github.com/typeddjango/django-stubs
 pytest==8.3.2  # https://github.com/pytest-dev/pytest
 pytest-sugar==1.0.0  # https://github.com/Frozenball/pytest-sugar