fix(k8s): no error logged if trivy can't get docker image in kubernetes mode (#2521)

* Enable k8s logging and increase log level of the image scan errors

* Rework errors reporting

* Rework GetErrors method into printErrors

Print errors during report writing

* Increase log level for scan errors logging

pkg/k8s/commands/run.go

@@ -71,6 +71,7 @@ func run(ctx context.Context, opts flag.Options, cluster string, artifacts []*ar
 	if err != nil {
 		return xerrors.Errorf("k8s scan error: %w", err)
 	}
+
 	if err := report.Write(r, report.Option{
 		Format:     opts.Format,
 		Report:     opts.ReportFormat,