Fix docs link for helm chart 1.13.1 (#38381)

Author: jedcunningham

chart/Chart.yaml

@@ -44,7 +44,7 @@ type: application
 annotations:
   artifacthub.io/links: |
     - name: Documentation
-      url: https://airflow.apache.org/docs/helm-chart/1.14.0/
+      url: https://airflow.apache.org/docs/helm-chart/1.13.1/
   artifacthub.io/screenshots: |
     - title: DAGs View
       url: https://airflow.apache.org/docs/apache-airflow/2.8.3/_images/dags.png