Bump BenchmarkDotNet from 0.14.0 to 0.15.4#96

dependabot[bot] wants to merge 1 commit intomasterdestructurama/json-net:masterfrom

dependabot/nuget/src/Benchmarks/BenchmarkDotNet-0.15.4destructurama/json-net:dependabot/nuget/src/Benchmarks/BenchmarkDotNet-0.15.4Copy head branch name to clipboard