[MINOR] Update .asf.yaml to codify notification settings, turn on jira comments, gh discussions (#3164)

- Turn on comment for jira, so we can track PR activity better
- Create a notification settings that match https://gitbox.apache.org/schemes.cgi?hudi
- Try and turn on "discussions" on Github, to experiment

.asf.yaml

@@ -29,3 +29,13 @@ github:
     - data-integration
     - apachespark
     - apacheflink
+  features:
+    wiki: true
+    issues: true
+    projects: true
+    discussions: true
+notifications:
+  commits:      commits@hudi.apache.org
+  issues:       commits@hudi.apache.org
+  pullrequests: commits@hudi.apache.org
+  jira_options: link label comment