misc: simplify row append

Signed-off-by: Hidde Beydals <hidde@hhh.computer>

pkg/printers/table_printer.go

@@ -35,9 +35,7 @@ func TablePrinter(header []string) PrinterFunc {
 					if !ok {
 						return fmt.Errorf("unsupported type %T", v)
 					}
-					for i := range s {
-						rows = append(rows, s[i])
-					}
+					rows = append(rows, s...)
 				}
 			default:
 				return fmt.Errorf("unsupported type %T", arg)