fix: added clippy ignore statement

For the bool to int conversion.

src/serial.rs

@@ -74,6 +74,7 @@ impl Serial {
         match addr & 0x00ff {
             0x01 => self.data,
             0x02 => {
+                #[allow(clippy::bool_to_int_with_if)]
                 (if self.shift_clock { 0x01 } else { 0x00 }
                     | if self.clock_speed { 0x02 } else { 0x00 }
                     | if self.transferring { 0x80 } else { 0x00 })