Bump BenchmarkDotNet.Diagnostics.Windows from 0.15.7 to 0.15.8

---
updated-dependencies:
- dependency-name: BenchmarkDotNet.Diagnostics.Windows
  dependency-version: 0.15.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

performance/benchmark/PerformanceTests.csproj

@@ -16,7 +16,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="BenchmarkDotNet" Version="0.15.8" />
-    <PackageReference Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.15.7" />
+    <PackageReference Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.15.8" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\src\Microsoft.OpenApi\Microsoft.OpenApi.csproj" />