Update wallet version in swagger.yaml

Author: Github Action

specifications/api/swagger.yaml

@@ -1,7 +1,7 @@
 openapi: 3.0.3
 info:
   title: Cardano Wallet Backend API
-  version: v2024-08-11
+  version: v2024-09-03
   license:
     name: Apache-2.0
     url: https://raw.githubusercontent.com/cardano-foundation/cardano-wallet/master/LICENSE