Add logs to benchmarks to explain what was executed.

Author: tillig

bench/Autofac.Benchmarks/Program.cs

@@ -37,6 +37,7 @@ internal static void Main(string[] args)
                         $"/p:BaselinePackageVersion={baselineVersion}"));
         }
 
+        Console.WriteLine($"Benchmark types configured: {BenchmarkSet.All.Length}");
         new BenchmarkSwitcher(BenchmarkSet.All).Run(filteredArgs, config);
     }