bumped openapi spec version after rebase

Author: arcogabbo

openapi/generated/api_fims_platform.yaml

@@ -1,6 +1,6 @@
 openapi: 3.0.1
 info:
-  version: 18.4.0
+  version: 18.5.0
   title: IO FIMS - Backend API
 servers:
   - url: https://api-app.io.pagopa.it/api/fims/v1