chore: Enable GitHub Discussions (#2955)

Author: tisonkun

.asf.yaml

@@ -15,3 +15,8 @@ github:
     comment_issue: "Re: [I] {title} ({repository})"
     close_issue: "Re: [I] {title} ({repository})"
     catchall: "[GH] {title} ({repository})"
+  features:
+    wiki: true
+    issues: true
+    projects: false
+    discussions: true