Fix link in help doc which was linking to old mono-repo, now in its own repo

doc/topics/autodevops/index.md

@@ -527,7 +527,7 @@ repo or by specifying a project variable:
 
 - **Bundled chart** - If your project has a `./chart` directory with a `Chart.yaml`
   file in it, Auto DevOps will detect the chart and use it instead of the [default
-  one](https://gitlab.com/charts/charts.gitlab.io/tree/master/charts/auto-deploy-app).
+  one](https://gitlab.com/charts/auto-deploy-app).
   This can be a great way to control exactly how your application is deployed.
 - **Project variable** - Create a [project variable](../../ci/variables/README.md#secret-variables)
   `AUTO_DEVOPS_CHART` with the URL of a custom chart to use.