chore: JMESPATH example in docs/apis/openapi.yaml

Co-authored-by: Copilot <[email protected]>

Author: leggetter

docs/apis/openapi.yaml

@@ -242,7 +242,7 @@ components:
         key_template:
           type: string
           description: JMESPath expression for generating S3 object keys. Default is join('', [time.rfc3339_nano, '_', metadata."event-id", '.json']).
-          example: "join('/', [time.year, time.month, time.day, metadata.\"event-id\", '.json'])"
+          example: "join('/', [time.year, time.month, time.day, metadata.`\"event-id\"`, '.json'])"
         storage_class:
           type: string
           description: The storage class for the S3 objects (e.g., STANDARD, INTELLIGENT_TIERING, GLACIER, etc.). Defaults to "STANDARD".