Bump mypy from 1.2.0 to 1.3.0 in /Tools/clinic#104501

AlexWaygood merged 1 commit intomainpython/cpython:mainfrom

dependabot/pip/Tools/clinic/mypy-1.3.0python/cpython:dependabot/pip/Tools/clinic/mypy-1.3.0Copy head branch name to clipboard