OpenAPI Update (#1209)

Update OpenAPI for 29f690eb2fc35ca3803a268cc94fe761b31fdf9b

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

Author: stripe-openapi[bot]

embedded/openapi/spec3.beta.sdk.json

@@ -73690,12 +73690,12 @@
             "type": "string"
           },
           "current_period_end": {
-            "description": "End of the current period that the subscription has been invoiced for. At the end of this period, a new invoice will be created.",
+            "description": "End of the current period that the subscription has been invoiced for. At the end of this period, a new invoice will be created. This field is deprecated starting on the `2025-03-31.basil` version, please use `current_period_end` on the items[] field instead",
             "format": "unix-time",
             "type": "integer"
           },
           "current_period_start": {
-            "description": "Start of the current period that the subscription has been invoiced for.",
+            "description": "Start of the current period that the subscription has been invoiced for. This field is deprecated starting on the `2025-03-31.basil` version, please use `current_period_start` on the items[] field instead",
             "format": "unix-time",
             "type": "integer"
           },