OpenAPI Update (#1036)

Update OpenAPI for f188dd9b3ecbe1179f74f26c3a1889dfcdc928c9

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

Author: stripe-openapi[bot]

embedded/openapi/spec3.beta.sdk.json

@@ -32160,6 +32160,7 @@
               "cardholder_verification_required",
               "insecure_authorization_method",
               "insufficient_funds",
+              "network_fallback",
               "not_allowed",
               "pin_blocked",
               "spending_controls",