Fix BenchmarkRunnerClean skip non-critical validation errors.

Author: timcassell

src/BenchmarkDotNet/Running/BenchmarkRunnerClean.cs

@@ -601,7 +601,7 @@ private static (BenchmarkRunInfo[], List<ValidationError>) GetSupportedBenchmark
 
                         validationErrors.AddRange(errors);
 
-                        return errors.Length == 0;
+                        return !errors.Any(error => error.IsCritical);
                     })
                     .ToArray();