pub fn block_version() -> (u8, u8) {
        // see <https://github.com/espressif/esp-idf/blob/dc016f5987/components/hal/esp32s3/include/hal/efuse_ll.h#L65-L73>
        // <https://github.com/espressif/esp-idf/blob/903af13e8/components/efuse/esp32s3/esp_efuse_table.csv#L196>
        (
            Self::read_field_le::<u8>(BLK_VERSION_MAJOR),
            Self::read_field_le::<u8>(BLK_VERSION_MINOR),
        )
    }
Get efuse block version

see <https://github.com/espressif/esp-idf/blob/dc016f5987/components/hal/efuse_hal.c#L27-L30>
esp-hal/src/soc/esp32s3/efuse/mod.rs