Bump BenchmarkDotNet from 0.11.1 to 0.11.2 (#44)

Bumps [BenchmarkDotNet](https://github.com/dotnet/BenchmarkDotNet) from 0.11.1 to 0.11.2.
- [Release notes](https://github.com/dotnet/BenchmarkDotNet/releases)
- [Commits](dotnet/BenchmarkDotNet@v0.11.1...v0.11.2)

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

Author: dependabot[bot]

Benchmarks/Boxed.Mapping.Benchmark/Boxed.Mapping.Benchmark.csproj

@@ -16,7 +16,7 @@
 
   <ItemGroup Label="Package References">
     <PackageReference Include="AutoMapper" Version="7.0.1" />
-    <PackageReference Include="BenchmarkDotNet" Version="0.11.1" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.11.2" />
     <PackageReference Include="StyleCop.Analyzers" PrivateAssets="All" Version="1.1.0-beta009" />
   </ItemGroup>