add override for listrak

Author: Thomas Gilbert

src/_data/catalog/slugs.yml

@@ -122,4 +122,6 @@ destinations:
   - original: "algolia-insights-actions"
     override: "actions-algolia-insights"
   - original: "iterable-actions"
-    override: "actions-iterable"
+    override: "actions-iterable"
+  - original: "listrak-actions"
+    override: "actions-listrak"