Bump BenchmarkDotNet from 0.15.4 to 0.15.5

---
updated-dependencies:
- dependency-name: BenchmarkDotNet
  dependency-version: 0.15.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -46,7 +46,7 @@
   <!-- tests -->
   <ItemGroup Label="tests">
     <PackageVersion Include="MediatR" Version="13.1.0" />
-    <PackageVersion Include="BenchmarkDotNet" Version="0.15.4" />
+    <PackageVersion Include="BenchmarkDotNet" Version="0.15.5" />
     <PackageVersion Include="NSubstitute" Version="5.3.0" />
     <PackageVersion Include="NSubstitute.Analyzers.CSharp" Version="1.0.17" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />