Add link to GH Discussions to Issue forms (#5767)

Author: eddumelendez

.github/ISSUE_TEMPLATE/config.yml

@@ -3,3 +3,6 @@ contact_links:
   - name: Need help or have a question?
     url: https://slack.testcontainers.org/
     about: Visit our slack channel.
+  - name: Have a question or want to drive a Community conversation?
+    url: https://github.com/testcontainers/testcontainers-java/discussions/
+    about: Visit our Discussions page.