Bump System.IO.Pipelines from 9.0.7 to 9.0.8

---
updated-dependencies:
- dependency-name: System.IO.Pipelines
  dependency-version: 9.0.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

test/ProjectDiff.Tests/ProjectDiff.Tests.csproj

@@ -16,7 +16,7 @@
         <PackageReference Include="coverlet.collector" Version="6.0.4"/>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1"/>
         <PackageReference Include="System.Collections.Immutable" Version="9.0.7"/>
-        <PackageReference Include="System.IO.Pipelines" Version="9.0.7"/>
+        <PackageReference Include="System.IO.Pipelines" Version="9.0.8"/>
         <PackageReference Include="Verify.XunitV3" Version="30.5.0"/>
         <PackageReference Include="xunit.runner.visualstudio" Version="3.1.3">
             <PrivateAssets>all</PrivateAssets>