OpenAPI Update (#747)

Update OpenAPI for bc08c82a5a09725da3a766a05693bfdc8c2416ad

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

Author: stripe-openapi[bot]

embedded/openapi/spec3.beta.sdk.json

@@ -80717,15 +80717,14 @@
                     "type": "object"
                   },
                   "timestamp": {
-                    "description": "The time of the event. Measured in seconds since the Unix epoch.",
+                    "description": "The time of the event. Measured in seconds since the Unix epoch. Defaults to current timestamp if not specified.",
                     "format": "unix-time",
                     "type": "integer"
                   }
                 },
                 "required": [
                   "event_name",
-                  "payload",
-                  "timestamp"
+                  "payload"
                 ],
                 "type": "object"
               }

embedded/openapi/spec3.json

@@ -59659,15 +59659,14 @@
                     "type": "object"
                   },
                   "timestamp": {
-                    "description": "The time of the event. Measured in seconds since the Unix epoch.",
+                    "description": "The time of the event. Measured in seconds since the Unix epoch. Defaults to current timestamp if not specified.",
                     "format": "unix-time",
                     "type": "integer"
                   }
                 },
                 "required": [
                   "event_name",
-                  "payload",
-                  "timestamp"
+                  "payload"
                 ],
                 "type": "object"
               }