nuget: Bump the silk-net group with 3 updates

Bumps Silk.NET.Vulkan from 2.21.0 to 2.23.0
Bumps Silk.NET.Vulkan.Extensions.EXT from 2.21.0 to 2.23.0
Bumps Silk.NET.Vulkan.Extensions.KHR from 2.21.0 to 2.23.0

---
updated-dependencies:
- dependency-name: Silk.NET.Vulkan
  dependency-version: 2.23.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: silk-net
- dependency-name: Silk.NET.Vulkan.Extensions.EXT
  dependency-version: 2.23.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: silk-net
- dependency-name: Silk.NET.Vulkan.Extensions.KHR
  dependency-version: 2.23.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: silk-net
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -40,9 +40,9 @@
     <PackageVersion Include="securifybv.ShellLink" Version="0.1.0" />
     <PackageVersion Include="shaderc.net" Version="0.1.0" />
     <PackageVersion Include="SharpZipLib" Version="1.4.2" />
-    <PackageVersion Include="Silk.NET.Vulkan" Version="2.21.0" />
-    <PackageVersion Include="Silk.NET.Vulkan.Extensions.EXT" Version="2.21.0" />
-    <PackageVersion Include="Silk.NET.Vulkan.Extensions.KHR" Version="2.21.0" />
+    <PackageVersion Include="Silk.NET.Vulkan" Version="2.23.0" />
+    <PackageVersion Include="Silk.NET.Vulkan.Extensions.EXT" Version="2.23.0" />
+    <PackageVersion Include="Silk.NET.Vulkan.Extensions.KHR" Version="2.23.0" />
     <PackageVersion Include="SkiaSharp" Version="2.88.7" />
     <PackageVersion Include="SkiaSharp.NativeAssets.Linux" Version="2.88.7" />
     <PackageVersion Include="SPB" Version="0.0.4-build32" />