Merge rust-bitcoin#4961: fix: use correct function name in taproot-psbt error message

15f90af fix: use correct function name in taproot-psbt error message (Cameric)

Pull request description:

  Replace non-existent `refresh_inheritance_timelock` with actual `refresh_tx` function name in error message


ACKs for top commit:
  apoelstra:
    ACK 15f90af; successfully ran local tests


Tree-SHA512: 142956a22c7a8d22d88c2d8965be0441307ad1c5939ba536604943f141c28f5b38b3fe8107d5ceb5065f2d1b8ae1ce55c87fdbe1e841c3a42f9a226fab778539

Author: apoelstra

bitcoin/examples/taproot-psbt.rs

@@ -386,7 +386,7 @@ impl BenefactorWallet {
     ) -> Result<(Transaction, Psbt), Box<dyn std::error::Error>> {
         if let ChildNumber::Normal { index } = self.next {
             if index > 0 && self.current_spend_info.is_some() {
-                return Err("transaction already exists, use refresh_inheritance_timelock to refresh the timelock".into());
+                return Err("transaction already exists, use refresh_tx to refresh the timelock".into());
             }
         }
         // We use some other derivation path in this example for our inheritance protocol. The important thing is to ensure