Bump BenchmarkDotNet from 0.13.7 to 0.13.8 in /test/perf/benchmarks (#1396)

Author: dependabot[bot]

test/perf/benchmarks/benchmarks.csproj

@@ -18,7 +18,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet" Version="0.13.7" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.13.8" />
     <PackageReference Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.13.8"/>
     <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.3.7" />
   </ItemGroup>