Update bash Bicep installation procedure

Author: mumian

articles/azure-resource-manager/bicep/install.md

@@ -2,7 +2,7 @@
 title: Set up Bicep development and deployment environments
 description: How to configure Bicep development and deployment environments
 ms.topic: conceptual
-ms.date: 05/16/2023
+ms.date: 09/21/2023
 ms.custom: devx-track-azurepowershell, devx-track-azurecli, devx-track-bicep
 ---