⬆ Manually upgrade OpenTK in one batch (#264)

* ⬆ Manually upgrade OpenTK in one batch

* 📦 Add explicit dependency to compiler services

* 🔥 Remove .NET standard 2.1 code as we no longer target it

Author: tomrijnbeek

Bearded.Utilities/Bearded.Utilities.csproj

@@ -6,13 +6,11 @@
     <TargetFrameworks>net5.0;net6.0;netcoreapp3.1</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="OpenTK.Mathematics" Version="4.4.0" />
-    <PackageReference Include="OpenTK.Windowing.Desktop" Version="4.4.0" />
-    <PackageReference Include="OpenTK.Windowing.GraphicsLibraryFramework" Version="4.4.0" />
+    <PackageReference Include="OpenTK.Mathematics" Version="4.7.1" />
+    <PackageReference Include="OpenTK.Windowing.Desktop" Version="4.7.1" />
+    <PackageReference Include="OpenTK.Windowing.GraphicsLibraryFramework" Version="4.7.1" />
     <PackageReference Include="System.Collections.Immutable" Version="6.0.0" />
+    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.0.0" />
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />
   </ItemGroup>
-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
-    <PackageReference Include="OpenTK.Windowing.Common" Version="4.0.0" />
-  </ItemGroup>
 </Project>