nuget: bump Microsoft.Build.Utilities.Core from 17.6.3 to 17.8.3

Bumps [Microsoft.Build.Utilities.Core](https://github.com/dotnet/msbuild) from 17.6.3 to 17.8.3.
- [Release notes](https://github.com/dotnet/msbuild/releases)
- [Changelog](https://github.com/dotnet/msbuild/blob/main/documentation/Changelog.md)
- [Commits](https://github.com/dotnet/msbuild/compare/v17.6.3...v17.8.3)

---
updated-dependencies:
- dependency-name: Microsoft.Build.Utilities.Core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Directory.Packages.props

@@ -3,7 +3,7 @@
         <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
     </PropertyGroup>
     <ItemGroup>
-        <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="17.6.3" />
+        <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="17.8.3" />
         <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.6.0" />
     </ItemGroup>
 </Project>