[SECURITY] Fedora 34 Update: python-flask-restx-0.3.0-2.fc34

Flask-RESTX is an extension for Flask that adds support for quickly building REST APIs. It encourages best practices with minimal setup. If you are familiar with Flask, Flask-RESTX should be easy to pick up. It provides a coherent collection of decorators and tools to describe your API and expose its documentation properly using Swagger.