fix: Mark fields in AiExtractResponse and Event with additionalProperties (box/box-openapi#556)

Author: box-sdk-build

.codegen.json

@@ -1 +1 @@
-{ "engineHash": "504b5a7", "specHash": "1ed059a", "version": "10.0.0" }
+{ "engineHash": "504b5a7", "specHash": "62fdfd1", "version": "10.0.0" }