Bump BenchmarkDotNet from 0.13.4 to 0.13.6 (#48)

Bumps [BenchmarkDotNet](https://github.com/dotnet/BenchmarkDotNet) from 0.13.4 to 0.13.6.
- [Release notes](https://github.com/dotnet/BenchmarkDotNet/releases)
- [Commits](dotnet/BenchmarkDotNet@v0.13.4...v0.13.6)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

benchmarks/TurnerSoftware.DinoDNS.Benchmarks/TurnerSoftware.DinoDNS.Benchmarks.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
 		<OutputType>Exe</OutputType>
@@ -10,7 +10,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="BenchmarkDotNet" Version="0.13.4" />
+		<PackageReference Include="BenchmarkDotNet" Version="0.13.6" />
 		<PackageReference Include="DNS" Version="7.0.0" />
 		<PackageReference Include="DnsClient" Version="1.6.0" />
 	</ItemGroup>