docs: update .NET SDK version requirement to 10 or newer

Author: hazre

src/content/docs/creating-a-mod/creating-a-project.mdx

@@ -24,7 +24,7 @@ Once you have the template installed, you don't need to install it again, throug
 </LinkButton>
 
 :::caution
-You must use .NET SDK 9 or newer. Older versions are unsupported.
+You must use .NET SDK 10 or newer. Older versions are unsupported.
 :::
 
 ### From NuGet (Recommended)