Refer to the right script in mina-transaction/gen/v1/README

Author: Shigoto-dev19

src/bindings/mina-transaction/gen/v1/README.md

@@ -20,4 +20,4 @@ let deriver obj =
 To consume a custom deriver and add custom behavior,
 `transaction-leaves-bigint.ts` and `transaction-leaves.ts` must be changed.
 
-To regenerate them, run `npm run build:update-bindings` from o1js.
+To regenerate them, run `npm run build:bindings-all` from o1js.