Switching processor for ShipGame back to net8 to resolve compatibility issue

Author: SimonDarksideJ

ShipGame/ShipGame.Core/Content/ShipGame.mgcb

@@ -10,7 +10,7 @@
 
 #-------------------------------- References --------------------------------#
 
-/reference:..\..\ShipGame.Dependencies\NormalMappingModelProcessor\bin\Release\net9.0\NormalMappingModelProcessor.dll
+/reference:..\..\ShipGame.Dependencies\NormalMappingModelProcessor\bin\Release\net8.0\NormalMappingModelProcessor.dll
 
 #---------------------------------- Content ---------------------------------#
 

ShipGame/ShipGame.Dependencies/NormalMappingModelProcessor/NormalMappingModelProcessor.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="MonoGame.Framework.Content.Pipeline" Version="3.8.4.1" />