OpenAPI Update (#857)

Update OpenAPI for a6f2478191271b135a4a89ab0cb6a7f059162b77

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

Author: stripe-openapi[bot]

embedded/openapi/spec3.beta.sdk.json

@@ -193212,7 +193212,7 @@
                           "properties": {
                             "description": {
                               "description": "The description which will be displayed when collecting this input",
-                              "maxLength": 280,
+                              "maxLength": 350,
                               "type": "string"
                             },
                             "skip_button": {