feat(crypto-js): QrCodeScan implements Debug.

bindings/matrix-sdk-crypto-js/src/verification.rs

@@ -756,6 +756,7 @@ impl QrCode {
 /// A scanned QR code.
 #[cfg(feature = "qrcode")]
 #[wasm_bindgen]
+#[derive(Debug)]
 pub struct QrCodeScan {
     inner: matrix_sdk_qrcode::QrVerificationData,
 }