message: fix: update getFee usage in stacking lib
diff: @@ -22,6 +22,7 @@ import {
  someCV,
  validateStacksAddress,
  AnchorMode,
  + getFee,
  } from '@stacks/transactions';
  import {
  BurnchainRewardListResponse,
  @@ -748,7 +749,7 @@ export class StackingClient {
  * @returns {StacksTransaction} that resolves to a transaction object if the operation succeeds
  */
  modifyLockTxFee({ tx, amountMicroStx }: { tx: StacksTransaction; amountMicroStx: IntegerType }) {
  - const fee = tx.auth.getFee();
  + const fee = getFee(tx.auth);
  (tx.payload as ContractCallPayload).functionArgs[0] = uintCV(
  intToBigInt(amountMicroStx, false) - fee
  );
  