chore: Update SUPPORT_QUESTION.md template (#176)

.github/ISSUE_TEMPLATE/SUPPORT_QUESTION.md

@@ -13,7 +13,8 @@ For usage and support questions, please check out the resources below. Thanks!
 
 You can get answers to your usage and support questions about **Apache Cordova** on:
 
-* Slack Community Chat: https://cordova.slack.com (you can sign-up at http://slack.cordova.io/)
+* GitHub Discussions: https://github.com/apache/cordova/discussions
+* Slack Community Chat: https://cordova.slack.com (you can sign-up at https://s.apache.org/cordova-slack)
 * StackOverflow: https://stackoverflow.com/questions/tagged/cordova using the tag `cordova`
 
 ---
@@ -22,6 +23,4 @@ If you are using a tool that uses Cordova internally, like e.g. Ionic, check the
 
 * **Ionic Framework**
   * [Ionic Community Forum](https://forum.ionicframework.com/)
-  * [Ionic Worldwide Slack](https://ionicworldwide.herokuapp.com/)
-* **PhoneGap**
-  * [PhoneGap Developer Community](https://forums.adobe.com/community/phonegap)
+  * [Ionic Discord](https://ionic.link/discord)