update chat test exclusion path

Author: tyb-talks

scripts/extract_app_events.mjs

@@ -23,7 +23,7 @@ const EXCLUDED_DIR_PATTERNS = [
   "/discourse/vendor/",
   "/discourse/public/",
   "/discourse/spec/",
-  "/discourse/plugins/chat/test",
+  "/plugins/chat/test",
   "/discourse/plugins/discourse-deprecation-collector/",
 ];
 const UNPARSABLE_INDICATOR = "undefined";