Update learn.json

Author: alesanchezr

learn.json

@@ -13,7 +13,7 @@
     "duration": 4,
     "videoSolutions": false,
     "difficulty": "easy",
-    "preview": "https://storage.googleapis.com/breathecode-asset-images/Screenshot%202023-08-16%20at%202.06.51%20PM.png",
+    "preview": "https://github.com/4GeeksAcademy/python-http-requests-api-tutorial-exercises/blob/master/preview.png?raw=true",
     "repository": "https://github.com/4GeeksAcademy/python-http-requests-api-tutorial-exercises",
     "projectType": "tutorial",
     "autoPlay": true,