chore(deps): bump System.IO.Pipelines in /src/messaging/dotnet/src/Host

Bumps [System.IO.Pipelines](https://github.com/dotnet/runtime) from 6.0.3 to 8.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v6.0.3...v8.0.0)

---
updated-dependencies:
- dependency-name: System.IO.Pipelines
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Directory.Packages.props

@@ -43,7 +43,7 @@
     <PackageVersion Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <PackageVersion Include="System.Diagnostics.PerformanceCounter" Version="6.0.1" />
     <PackageVersion Include="System.Drawing.Common" Version="8.0.2" />
-    <PackageVersion Include="System.IO.Pipelines" Version="6.0.3" />
+    <PackageVersion Include="System.IO.Pipelines" Version="8.0.0" />
     <PackageVersion Include="System.Management" Version="8.0.0" />
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />
     <PackageVersion Include="System.Reactive.Async" Version="6.0.0-alpha.18" />