OpenAPI Update (#877)

Update OpenAPI for 29f393c973a535daed159b640cfd5d1ea52daa5c

Co-authored-by: Stripe OpenAPI <105521251+stripe-openapi[bot]@users.noreply.github.com>

Author: stripe-openapi[bot]

embedded/openapi/fixtures3.json

@@ -2222,7 +2222,9 @@
           "result": "authenticated"
         }
       },
-      "wallet": null
+      "wallet": null,
+      "fleet": null,
+      "fuel": null
     },
     "issuing.card": {
       "brand": "Visa",