Update BenchmarkDotNet

Author: nblumhardt

test/Serilog.Extensions.Logging.Benchmarks/Serilog.Extensions.Logging.Benchmarks.csproj

@@ -13,7 +13,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" PrivateAssets="All" />
     <PackageReference Include="xunit" Version="2.6.1" />
-    <PackageReference Include="BenchmarkDotNet" Version="0.13.10" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.13.12" />
   </ItemGroup>
 
 </Project>