Add link from k6 Operator troubleshoot page to PLZ troubleshoot page (#1956)

* Rename operator troubleshooting to Troubleshoot

* Add link to Troubleshoot Private Load Zones

Author: heitortsergent

docs/sources/k6/next/set-up/set-up-distributed-k6/troubleshooting.md

@@ -1,12 +1,16 @@
 ---
+aliases:
+  - ./troubleshooting # docs/k6/<K6_VERSION>/set-up/set-up-distributed-k6/troubleshooting
 weight: 400
-title: Troubleshooting
+title: Troubleshoot
 ---
 
-# Troubleshooting
+# Troubleshoot
 
 This topic includes instructions to help you troubleshoot common issues with the k6 Operator.
 
+If you’re using Private Load Zones in Grafana Cloud k6, refer to [Troubleshoot Private Load Zones](https://grafana.com/docs/grafana-cloud/testing/k6/author-run/private-load-zone/troubleshoot/).
+
 ## How to troubleshoot
 
 {{< docs/shared source="k6" lookup="k6-operator/troubleshooting-how-to.md" version="<K6_VERSION>" >}}