chore(deps): update dependency benchmarkdotnet to 0.15.6 (#122)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/directory.packages.props

@@ -14,7 +14,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageVersion Include="BenchmarkDotNet" Version="0.15.3" />
+    <PackageVersion Include="BenchmarkDotNet" Version="0.15.6" />
   </ItemGroup>
 
   <ItemGroup>