Fixed the NuGet version

Author: yashints

Instructions/Labs/AZ400_M03_L03_Configuring_Agent_Pools_and_Understanding_Pipeline_Styles.md

@@ -157,7 +157,7 @@ In this task, you will configure the LOD VM as an Azure DevOps self-hosting agen
 
     > **WARNING**: Be careful with copy/paste, make sure you have same indentation shown above.
 
-23. For `Task: NugetToolInstaller@0`, click on **Settings (link that is displaying above the task in grey color)**, modify **Version of NuGet.exe to install** > **4.0.0**  and click on **Add**.
+23. For `Task: NugetToolInstaller@0`, click on **Settings (link that is displaying above the task in grey color)**, modify **Version of NuGet.exe to install** > **6.6.1**  and click on **Add**.
 24. On the **PartsUnlimited** edit pane, in the upper right corner of the pane, click **Save** and, on the **Save** pane, click **Save** again. This will automatically trigger the build based on this pipeline.
 25. In the Azure DevOps portal, in the vertical navigational pane on the left side, in the **Pipelines** section, click **Pipelines**.
 26. On the **Recent** tab of the **Pipelines** pane, click the **PartsUnlimited** entry, on the **Runs** tab of the **PartsUnlimited** pane, select the most recent run, on the **Summary** pane of the run, scroll down to the bottom, in the **Jobs** section, click **Phase 1** and monitor the job until its successful completion.