use parseutil.ParseDurationSecond(...) which allows a value without a suffix to be treated as seconds instead of nanoseconds (#1447)

internal/cmd/config/config.go

@@ -476,7 +476,7 @@ func parseEventing(eventObj *ast.ObjectItem) (*event.EventerConfig, error) {
 		// parse the duration string specified in a file config into a time.Duration
 		if s.FileConfig != nil && s.FileConfig.RotateDurationHCL != "" {
 			var err error
-			s.FileConfig.RotateDuration, err = time.ParseDuration(s.FileConfig.RotateDurationHCL)
+			s.FileConfig.RotateDuration, err = parseutil.ParseDurationSecond(s.FileConfig.RotateDurationHCL)
 			if err != nil {
 				return nil, fmt.Errorf("can't parse rotation duration %s", s.FileConfig.RotateDurationHCL)
 			}