OpenAPI Update (#889)

Update OpenAPI for 5c895785b514f5f65196163c9e40916c7723962e

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

embedded/openapi/spec3.beta.sdk.json

@@ -82211,7 +82211,7 @@
         "operationId": "GetBillingMargins",
         "parameters": [
           {
-            "description": "Only return margins that are active or inactive, i.e., pass false to list all inactive margins.",
+            "description": "Only return margins that are active or inactive. For example, pass `true` to only list active margins.",
             "in": "query",
             "name": "active",
             "required": false,