(AzureCXP) Added CLI version 2.4 link

Added CLI version 2.4 link so it should not create confusion as initially I was also misunderstood and treated as 2.4.0.
MicrosoftDocs/azure-docs#90719

Author: MayankBargali-MSFT

articles/azure-functions/create-first-function-cli-csharp.md

@@ -31,7 +31,7 @@ Before you begin, you must have the following:
 
 + One of the following tools for creating Azure resources:
 
-    + [Azure CLI](/cli/azure/install-azure-cli) version 2.4 or later.
+    + [Azure CLI](/cli/azure/install-azure-cli) [version 2.4](/cli/azure/release-notes-azure-cli#april-21-2020) or later.
 
     + The Azure [Az PowerShell module](/powershell/azure/install-az-ps) version 5.9.0 or later.