Added cmdlet aliases to metadata (#3698)

Author: mikefrobbins

azps-14.3.0/Az.Accounts/Connect-AzAccount.md

@@ -1,6 +1,9 @@
 ---
 external help file: Microsoft.Azure.PowerShell.Cmdlets.Accounts.dll-Help.xml
 Module Name: Az.Accounts
+aliases:
+  - Add-AzAccount
+  - Login-AzAccount
 online version: https://learn.microsoft.com/powershell/module/az.accounts/connect-azaccount
 schema: 2.0.0
 content_git_url: https://github.com/Azure/azure-powershell/blob/main/src/Accounts/Accounts/help/Connect-AzAccount.md