OpenAPI Update (#680)

Update OpenAPI for dd80f4839ef6d68a9356f8a96dd7b685e75c8b68

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

embedded/openapi/spec3.beta.sdk.json

@@ -23558,6 +23558,10 @@
             "maxLength": 5000,
             "type": "string"
           },
+          "livemode": {
+            "description": "Has the value `true` if the object exists in live mode or the value `false` if the object exists in test mode.",
+            "type": "boolean"
+          },
           "lookup_key": {
             "description": "A lookup key used to retrieve personalization designs dynamically from a static string. This may be up to 200 characters.",
             "maxLength": 5000,
@@ -23626,6 +23630,7 @@
           "carrier_text",
           "created",
           "id",
+          "livemode",
           "lookup_key",
           "metadata",
           "name",