Update flask resource URL (#5492)

Fixed Tutorial link to an updated versión of the tutorial

src/data/roadmaps/python/content/106-python-frameworks/100-synchronous/101-flask.md

@@ -5,4 +5,4 @@ Flask is a micro web framework written in Python. It is classified as a microfra
 Visit the following resources to learn more:
 
 - [Flask - Official Website](https://flask.palletsprojects.com/)
-- [Flask - Official Tutorial](https://flask.palletsprojects.com/en/2.2.x/tutorial/)
+- [Flask - Official Tutorial](https://flask.palletsprojects.com/en/3.0.x/tutorial/)