nuget: bump the opentk group across 1 directory with 2 updates

Bumps the opentk group with 2 updates in the / directory: [OpenTK.Audio.OpenAL](https://github.com/opentk/opentk) and [OpenTK.Core](https://github.com/opentk/opentk).


Updates `OpenTK.Audio.OpenAL` from 4.8.2 to 4.9.3
- [Release notes](https://github.com/opentk/opentk/releases)
- [Changelog](https://github.com/opentk/opentk/blob/master/RELEASE_NOTES.md)
- [Commits](https://github.com/opentk/opentk/compare/4.8.2...4.9.3)

Updates `OpenTK.Core` from 4.8.2 to 4.9.3
- [Release notes](https://github.com/opentk/opentk/releases)
- [Changelog](https://github.com/opentk/opentk/blob/master/RELEASE_NOTES.md)
- [Commits](https://github.com/opentk/opentk/compare/4.8.2...4.9.3)

---
updated-dependencies:
- dependency-name: OpenTK.Audio.OpenAL
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentk
- dependency-name: OpenTK.Core
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentk
...

Signed-off-by: dependabot[bot] <support@github.com>

Directory.Packages.props

@@ -27,10 +27,10 @@
     <PackageVersion Include="NetCoreServer" Version="8.0.7" />
     <PackageVersion Include="NUnit" Version="3.13.3" />
     <PackageVersion Include="NUnit3TestAdapter" Version="4.1.0" />
-    <PackageVersion Include="OpenTK.Core" Version="4.8.2" />
-    <PackageVersion Include="OpenTK.Graphics" Version="4.8.2" />
-    <PackageVersion Include="OpenTK.Audio.OpenAL" Version="4.8.2" />
-    <PackageVersion Include="OpenTK.Windowing.GraphicsLibraryFramework" Version="4.8.2" />
+    <PackageVersion Include="OpenTK.Core" Version="4.9.3" />
+    <PackageVersion Include="OpenTK.Graphics" Version="4.9.2" />
+    <PackageVersion Include="OpenTK.Audio.OpenAL" Version="4.9.3" />
+    <PackageVersion Include="OpenTK.Windowing.GraphicsLibraryFramework" Version="4.9.2" />
     <PackageVersion Include="Ryujinx.Audio.OpenAL.Dependencies" Version="1.21.0.1" />
     <PackageVersion Include="Ryujinx.Graphics.Nvdec.Dependencies" Version="5.0.3-build14" />
     <PackageVersion Include="Ryujinx.Graphics.Vulkan.Dependencies.MoltenVK" Version="1.2.0" />