Fix more links

Author: bart-vmware

.github/ISSUE_TEMPLATE/question.md

@@ -1,6 +1,6 @@
 ---
 name: Question
-about: Select if you have a question or feedback - Also check out slack.steeltoe.io for assistance.
+about: Select if you have a question or feedback - Also check out https://github.com/SteeltoeOSS/Steeltoe/discussions for assistance.
 title: "[QUESTION] "
 labels: Type/question
 assignees: ''

README.md

@@ -40,7 +40,7 @@ For more details, see [Supported Versions on the Wiki](https://github.com/Steelt
 
 ## Support and Feedback
 
-For community support, we recommend [Steeltoe OSS Slack](https://slack.steeltoe.io), [StackOverflow](https://stackoverflow.com/questions/tagged/steeltoe), or [open an issue](https://github.com/SteeltoeOSS/Steeltoe/issues/new/choose).
+For community support, we recommend [Discussions on GitHub](https://github.com/SteeltoeOSS/Steeltoe/discussions), [StackOverflow](https://stackoverflow.com/questions/tagged/steeltoe), or [open an issue](https://github.com/SteeltoeOSS/Steeltoe/issues/new/choose).
 
 For production support, we recommend that you contact [Broadcom Support](https://support.broadcom.com/).