OpenAPI Update (#707)

Update OpenAPI for 1c2e0fc943d321bebb6fddf31d6c5c28ca78b2e8

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

Author: stripe-openapi[bot]

embedded/openapi/spec3.beta.sdk.json

@@ -57447,7 +57447,7 @@
               "maxLength": 500,
               "type": "string"
             },
-            "description": "Set of [key-value pairs](https://stripe.com/docs/api/metadata) that will reflect the metadata of the subscription at the time of invoice creation. *Note: This attribute is populated only for invoices created on or after June 29, 2023.*",
+            "description": "Set of [key-value pairs](https://stripe.com/docs/api/metadata) defined as subscription metadata when an invoice is created. Becomes an immutable snapshot of the subscription metadata at the time of invoice finalization.\n *Note: This attribute is populated only for invoices created on or after June 29, 2023.*",
             "nullable": true,
             "type": "object"
           },

embedded/openapi/spec3.json

@@ -38888,7 +38888,7 @@
               "maxLength": 500,
               "type": "string"
             },
-            "description": "Set of [key-value pairs](https://stripe.com/docs/api/metadata) that will reflect the metadata of the subscription at the time of invoice creation. *Note: This attribute is populated only for invoices created on or after June 29, 2023.*",
+            "description": "Set of [key-value pairs](https://stripe.com/docs/api/metadata) defined as subscription metadata when an invoice is created. Becomes an immutable snapshot of the subscription metadata at the time of invoice finalization.\n *Note: This attribute is populated only for invoices created on or after June 29, 2023.*",
             "nullable": true,
             "type": "object"
           }