updated gitignore to exclude files created during integration tests run
updated gitignore to exclude files created during integration tests run

redknightlois/BenchmarkDotNet,ig-sinicyn/BenchmarkDotNet,Ky7m/BenchmarkDotNet,ig-sinicyn/BenchmarkDotNet,Ky7m/BenchmarkDotNet,adamsitnik/BenchmarkDotNet,Ky7m/BenchmarkDotNet,alinasmirnova/BenchmarkDotNet,alinasmirnova/BenchmarkDotNet,Ky7m/BenchmarkDotNet,ig-sinicyn/BenchmarkDotNet,ig-sinicyn/BenchmarkDotNet,adamsitnik/BenchmarkDotNet,Teknikaali/BenchmarkDotNet,PerfDotNet/BenchmarkDotNet,redknightlois/BenchmarkDotNet,PerfDotNet/BenchmarkDotNet,alinasmirnova/BenchmarkDotNet,alinasmirnova/BenchmarkDotNet,adamsitnik/BenchmarkDotNet,adamsitnik/BenchmarkDotNet,Teknikaali/BenchmarkDotNet,redknightlois/BenchmarkDotNet,PerfDotNet/BenchmarkDotNet,Teknikaali/BenchmarkDotNet