Bump CSharpier.Core from 0.27.3 to 0.28.0 (#2027)

Bumps [CSharpier.Core](https://github.com/belav/csharpier) from 0.27.3 to 0.28.0.
- [Release notes](https://github.com/belav/csharpier/releases)
- [Changelog](https://github.com/belav/csharpier/blob/main/CHANGELOG.md)
- [Commits](belav/csharpier@0.27.3...0.28.0)

---
updated-dependencies:
- dependency-name: CSharpier.Core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

sources/SilkTouch/Silk.NET.SilkTouch.csproj

@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="ClangSharp.PInvokeGenerator" Version="17.0.1" />
-    <PackageReference Include="CSharpier.Core" Version="0.27.3" />
+    <PackageReference Include="CSharpier.Core" Version="0.28.0" />
     <PackageReference Include="Humanizer.Core" Version="2.14.1" />
     <PackageReference Include="Microsoft.Build.Locator" Version="1.7.8" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" />