Bump System.IO.Pipelines from 7.0.0 to 8.0.0

Bumps [System.IO.Pipelines](https://github.com/dotnet/runtime) from 7.0.0 to 8.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.0...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] <support@github.com>

Directory.Packages.props

@@ -17,7 +17,7 @@ SPDX-License-Identifier: MIT
     <PackageVersion Include="Moq" Version="4.20.69" />
     <PackageVersion Include="MSTest.TestAdapter" Version="3.1.1" />
     <PackageVersion Include="MSTest.TestFramework" Version="3.1.1" />
-    <PackageVersion Include="System.IO.Pipelines" Version="7.0.0" />
+    <PackageVersion Include="System.IO.Pipelines" Version="8.0.0" />
     <PackageVersion Include="coverlet.collector" Version="6.0.0" />
   </ItemGroup>
 </Project>