message: fix(utxo-lib): small fixes in signatureModify test
  A typo and one use of deprecated method
  Issue:
diff: @@ -14,8 +14,8 @@ function changeSignatureToHighS(signatureBuffer: Buffer): Buffer {
  }
  const { signature, hashType } = ScriptSignature.decode(signatureBuffer);
  - const r = signature.slice(0, 32);
  - const s = signature.slice(32);
  + const r = signature.subarray(0, 32);
  + const s = signature.subarray(32);
  if (r.length !== 32 || s.length !== 32) {
  throw new Error(`invalid scalar length`);
  @@ -74,7 +74,7 @@ export function getTransactionWithHighS<TNumber extends number | bigint>(
  cloned.ins[inputIndex].script = changeSignatureScriptToHighS(cloned.ins[inputIndex].script, signature);
  cloned.ins[inputIndex].witness = changeSignatureScriptToHighS(cloned.ins[inputIndex].witness, signature);
  if (parseSignatureScript(cloned.ins[inputIndex]).scriptType !== parsed.scriptType) {
  - throw new Error(`could not parsed modified input`);
  + throw new Error(`could not parse modified input`);
  }
  return [cloned];
  });
  