update(dependancies): ImGui.NET

Author: Alexis Huvier

SharpEngine/SharpEngine.csproj

@@ -28,7 +28,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="ImGui.NET" Version="1.89.5.2" />
+    <PackageReference Include="ImGui.NET" Version="1.89.6" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Raylib-cs" Version="4.5.0.1" />
   </ItemGroup>