Bump delay in scanning while held to 5ms.

app/drivers/zephyr/kscan_gpio_matrix.c

@@ -171,7 +171,7 @@ static int kscan_gpio_config_interrupts(struct device **devices,
 					({ k_work_submit(&data->work); }),                                                                                                                                                                                      \
 					({                                                                                                                                                                                                                      \
 						k_delayed_work_cancel(&data->work);                                                                                                                                                                                 \
-						k_delayed_work_submit(&data->work, K_MSEC(1)); }))                                                                                                                                                                  \
+						k_delayed_work_submit(&data->work, K_MSEC(5)); }))                                                                                                                                                                  \
 		}                                                                                                                                                                                                                                   \
 		return 0;                                                                                                                                                                                                                           \
 	}                                                                                                                                                                                                                                       \