Update github link

helpers.py

@@ -156,7 +156,7 @@ def find_problem_set_folder(base_path, target_path):
     )
     block.append("## {{< bi github >}}")
     block.append(
-        f"The source code for this exercise is [here](https://github.com/posit-dev/shiny-python-workshop-2023/tree/main/{path})."
+        f"The source code for this exercise is [here](https://github.com/talkpython/reactive-web-dashboards-with-shiny-course/tree/main/{path})."
     )
 
     block.append(":::")