Bump BenchmarkDotNet from 0.13.7 to 0.13.12

Bumps [BenchmarkDotNet](https://github.com/dotnet/BenchmarkDotNet) from 0.13.7 to 0.13.12.
- [Release notes](https://github.com/dotnet/BenchmarkDotNet/releases)
- [Commits](dotnet/BenchmarkDotNet@v0.13.7...v0.13.12)

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

Signed-off-by: dependabot[bot] <support@github.com>

Benchmarks/Benchmarks.csproj

@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="AngleSharp" Version="1.0.4" />
-    <PackageReference Include="BenchmarkDotNet" Version="0.13.7" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.13.12" />
     <PackageReference Include="HtmlPerformanceKit" Version="0.7.0" />
   </ItemGroup>