Update feedback link to Discussions (#17894)

content/github/developing-online-with-codespaces/about-codespaces.md

@@ -56,4 +56,4 @@ A limited number of people will be invited to join the beta. To join the waitlis
 
 If you encounter problems using {% data variables.product.prodname_codespaces %}, see "[Troubleshooting your codespace](/github/developing-online-with-codespaces/troubleshooting-your-codespace)."
 
-If you still need help or have feedback about {% data variables.product.prodname_codespaces %}, use the [Community Forum](https://github.community/c/codespaces-beta/45).
+If you still need help or have feedback about {% data variables.product.prodname_codespaces %}, use the [Codespaces Feedback](https://github.com/github/feedback/discussions/categories/codespaces-feedback) discussion.