fix: use a simpler stringified int

Co-authored-by: buck <[email protected]>

src/outputs.ts

@@ -61,7 +61,7 @@ export function validateOutput(network, output, inputsTotalSats?) {
 /**
  * Lowest acceptable output amount in Satoshis.
  */
-const DUST_LIMIT_SATS = new BigNumber(546).toString();
+const DUST_LIMIT_SATS = “546”
 
 /**
  * Validate the given output amount (in Satoshis).