chore: Adjust Uno.Material palette link

doc/material-migration.md

@@ -509,7 +509,7 @@ The v2 styles introduce a new naming system for its resource keys. Refer to the
 
 #### Color Update
 
-A new color palette has been created for v2, meaning any color palette overrides ResourceDictionary in your app must be updated with the new resource keys. An example of the new color palette can be seen in the new [Uno.Material default palette](https://github.com/unoplatform/Uno.Themes/blob/d98e8c9a0f44ef4897baf8b59bed10a074309c7f/src/library/Uno.Themes/Styles/Applications/Common/SharedColorPalette.xaml#L4). For more information on the updated colors, you can refer to the "Colors and Themes" section of the [Material 3 Migration Guide](https://material.io/blog/migrating-material-3).
+A new color palette has been created for v2, meaning any color palette overrides ResourceDictionary in your app must be updated with the new resource keys. An example of the new color palette can be seen in the new [Uno.Material default palette](https://github.com/unoplatform/Uno.Themes/blob/master/src/library/Uno.Themes/Styles/Applications/Common/SharedColorPalette.xaml#L4). For more information on the updated colors, you can refer to the "Colors and Themes" section of the [Material 3 Migration Guide](https://material.io/blog/migrating-material-3).
 
 > [!NOTE]
 > As of v2, the Brush resources have been relocated to `ThemeDictionaries`. To reference these Brush resources, use the `ThemeResource` binding.