(AzureCXP) Updated Node.js GA information

As per the announcement here: https://azure.microsoft.com/en-us/updates/generally-available-nodejs-16-in-azure-functions-2/
resolves MicrosoftDocs/azure-docs#91064

Author: MayankBargali-MSFT

includes/functions-supported-languages.md

@@ -10,7 +10,7 @@ ms.custom: include file
 |Language                                 |1.x         |2.x| 3.x | 4.x |
 |-----------------------------------------|------------|---| --- | --- |
 |[C#](../articles/azure-functions/functions-dotnet-class-library.md)|GA (.NET Framework 4.8)|GA (.NET Core 2.1<sup>1</sup>)| GA (.NET Core 3.1)<br/>[GA (.NET 5.0)](../articles/azure-functions/dotnet-isolated-process-guide.md) | GA (.NET 6.0) |
-|[JavaScript](../articles/azure-functions/functions-reference-node.md#node-version)|GA (Node.js 6)|GA (Node.js 10 & 8)| GA (Node.js 14, 12, & 10) | GA (Node.js 14)<br/>Preview (Node.js 16) |
+|[JavaScript](../articles/azure-functions/functions-reference-node.md#node-version)|GA (Node.js 6)|GA (Node.js 10 & 8)| GA (Node.js 14, 12, & 10) | GA (Node.js 14)<br/>GA (Node.js 16) |
 |[F#](../articles/azure-functions/functions-reference-fsharp.md)|GA (.NET Framework 4.8)|GA (.NET Core 2.1<sup>1</sup>)| GA (.NET Core 3.1) | GA (.NET 6.0) |
 |[Java](../articles/azure-functions/functions-reference-java.md)|N/A|GA (Java 8)| GA (Java 11 & 8)| GA (Java 11 & 8)|
 |[PowerShell](../articles/azure-functions/functions-reference-powershell.md) |N/A|GA (PowerShell Core 6)| GA (PowerShell 7.0 & Core 6)| GA (PowerShell 7.0)|