Replace Spectrum with Discussions

Author: oliemansm

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,5 @@
 blank_issues_enabled: false
 contact_links:
   - name: Question
-    url: https://spectrum.chat/graphql-java-kick
-    about: Anything you are not sure about? Ask the community on Spectrum!
+    url: https://github.com/graphql-java-kickstart/graphql-java-servlet/discussions
+    about: Anything you are not sure about? Ask the community in Discussions!