docs: Add migration guide details to the licensing related documentation

(cherry picked from commit d955377)

doc/articles/get-started-licensing.md

@@ -26,7 +26,7 @@ If you’ve already set up **Visual Studio 2022** by following the [Get Started
 
 1. Create a new Uno Platform project by following the [Creating an app with Visual Studio 2022](xref:Uno.GettingStarted.CreateAnApp.VS2022) documentation or open an existing one with Uno.Sdk version 5.5 or higher.
 
-   For existing applications, you should take this opportunity to update to the [latest `Uno.Sdk` version](https://www.nuget.org/packages/Uno.Sdk).
+   For existing applications, you should take this opportunity to update to the [latest `Uno.Sdk` version](https://www.nuget.org/packages/Uno.Sdk). See our [migration guide](xref:Uno.Development.MigratingFromPreviousReleases) to upgrade.
 
 1. After your project has finished loading, a notification should appear. Click on the **Sign in / Register** button.
 
@@ -46,7 +46,7 @@ If you’ve already set up **Visual Studio Code** by following the [Get Started
 
 1. Create a new Uno Platform project by following the [Creating an app with VS Code](xref:Uno.GettingStarted.CreateAnApp.VSCode) documentation or open an existing one with Uno.Sdk version 5.5 or higher.
 
-   For existing applications, you should take this opportunity to update to the [latest `Uno.Sdk` version](https://www.nuget.org/packages/Uno.Sdk).
+   For existing applications, you should take this opportunity to update to the [latest `Uno.Sdk` version](https://www.nuget.org/packages/Uno.Sdk). See our [migration guide](xref:Uno.Development.MigratingFromPreviousReleases) to upgrade.
 
 1. After your project has finished loading, a notification should appear. Click on the **Sign in / Register** button.
 
@@ -63,7 +63,7 @@ If you’ve already set up **JetBrains Rider** by following the [Get Started on
 
 1. Create a new Uno Platform project by following the [Create an app with JetBrains Rider](xref:Uno.GettingStarted.CreateAnApp.Rider) documentation or open an existing one with Uno.Sdk version 5.5 or higher.
 
-   For existing applications, you should take this opportunity to update to the [latest `Uno.Sdk` version](https://www.nuget.org/packages/Uno.Sdk).
+   For existing applications, you should take this opportunity to update to the [latest `Uno.Sdk` version](https://www.nuget.org/packages/Uno.Sdk). See our [migration guide](xref:Uno.Development.MigratingFromPreviousReleases) to upgrade.
 
 1. After your project has finished loading, a notification should appear. Click on the **Sign in / Register** button.