add link to the extension update article

Author: halkazwini

articles/network-watcher/frequently-asked-questions.yml

@@ -103,7 +103,7 @@ sections:
       - question: |
           What is the latest version of the Network Watcher agent?
         answer: |
-          [!INCLUDE [Network Watcher agent version](../../includes/virtual-machines-extensions-network-watcher-agent-version.md)]
+          [!INCLUDE [Network Watcher agent version](../../includes/virtual-machines-extensions-network-watcher-agent-version.md)]. For more information, see [Update Azure Network Watcher extension to the latest version](./virtual-machines/extensions/network-watcher-update.md?toc=%2Fazure%2Fnetwork-watcher%2Ftoc.json).
 
       - question: |
           What ports does the Network Watcher agent use?

articles/virtual-machines/extensions/network-watcher-update.md

@@ -20,7 +20,7 @@ ms.custom: devx-track-azurepowershell, devx-track-azurecli
 
 ## Latest version
 
-[!INCLUDE [Network Watcher agent version](../../../includes/virtual-machines-extensions-network-watcher-agent-version.md)]
+[!INCLUDE [Network Watcher agent version](../../../includes/virtual-machines-extensions-network-watcher-agent-version.md)].
 
 ### Identify latest version
 

includes/virtual-machines-extensions-network-watcher-agent-version.md

@@ -5,4 +5,4 @@ ms.service: virtual-machines
 ms.topic: include
 ms.date: 08/30/2023
 ---
-The latest version of the Network Watcher extension is `1.4.2573.1`.
+The latest version of the Network Watcher extension is `1.4.2573.1`