Bump Microsoft.Extensions.ObjectPool from 8.0.10 to 9.0.0 (#184)

Bumps [Microsoft.Extensions.ObjectPool](https://github.com/dotnet/aspnetcore) from 8.0.10 to 9.0.0.
- [Release notes](https://github.com/dotnet/aspnetcore/releases)
- [Changelog](https://github.com/dotnet/aspnetcore/blob/main/docs/ReleasePlanning.md)
- [Commits](dotnet/aspnetcore@v8.0.10...v9.0.0)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.ObjectPool
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

src/Directory.Packages.props

@@ -15,7 +15,7 @@
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Features" Version="$(_RoslynVersion)" />
     <PackageVersion Include="Microsoft.CodeAnalysis.VisualBasic" Version="$(_RoslynVersion)" />
     <PackageVersion Include="Microsoft.CodeAnalysis.VisualBasic.Features" Version="$(_RoslynVersion)" />
-    <PackageVersion Include="Microsoft.Extensions.ObjectPool" Version="8.0.10" />
+    <PackageVersion Include="Microsoft.Extensions.ObjectPool" Version="9.0.0" />
     <PackageVersion Include="Microsoft.NET.Test.SDK" Version="17.11.1" />
     <PackageVersion Include="Mono.Options" Version="6.12.0.148" />
     <PackageVersion Include="MSBuild.StructuredLogger" Version="2.2.243" />