Update schema.v2.json

Author: github-actions[bot]

static/schema/schema.v2.json

@@ -819,7 +819,7 @@
 						"opt_out": {
 							"type": "boolean",
 							"default": false,
-							"description": "Opt out | Opt out of all knowledge base features."
+							"description": "Opt out | Opt out of all knowledge base features that require data retention."
 						},
 						"web_search": {
 							"type": "object",