Bump dependency BenchmarkDotNet to 0.15.4 (#6514)

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

Author: renovate[bot]

Directory.Packages.props

@@ -73,7 +73,7 @@
       These packages are referenced as "PrivateAssets" or used in tests/examples.
   -->
   <ItemGroup>
-    <PackageVersion Include="BenchmarkDotNet" Version="0.15.2" />
+    <PackageVersion Include="BenchmarkDotNet" Version="0.15.4" />
     <PackageVersion Include="CommandLineParser" Version="2.9.1" />
     <PackageVersion Include="GitHubActionsTestLogger" Version="2.4.1" />
     <PackageVersion Include="Grpc.AspNetCore" Version="2.59.0" />