[bitnami/*] Use CDN url for the Bitnami Application Icons (#31881)

Signed-off-by: Carlos Sanchez Montero <carlos.sanchez@broadcom.com>

Author: carlossm

bitnami/airflow/Chart.yaml

@@ -27,7 +27,7 @@ dependencies:
   version: 2.x.x
 description: Apache Airflow is a tool to express and execute workflows as directed acyclic graphs (DAGs). It includes utilities to schedule tasks, monitor task progress and handle task dependencies.
 home: https://bitnami.com
-icon: https://bitnami.com/assets/stacks/airflow/img/airflow-stack-220x234.png
+icon: https://dyltqmyl993wv.cloudfront.net/assets/stacks/airflow/img/airflow-stack-220x234.png
 keywords:
 - apache
 - airflow

bitnami/apache/Chart.yaml

@@ -21,7 +21,7 @@ dependencies:
   version: 2.x.x
 description: Apache HTTP Server is an open-source HTTP server. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.
 home: https://bitnami.com
-icon: https://bitnami.com/assets/stacks/apache/img/apache-stack-220x234.png
+icon: https://dyltqmyl993wv.cloudfront.net/assets/stacks/apache/img/apache-stack-220x234.png
 keywords:
 - apache
 - http