Merge pull request ClickHouse#79786 from ClickHouse/Avogar-patch-8

Make a note in JSON docs about version with production readiness

Author: rienath

docs/en/sql-reference/data-types/newjson.md

@@ -18,6 +18,11 @@ SET enable_json_type = 1
 
 However, if you are using ClickHouse Cloud, you must first [get in touch with support](https://clickhouse.com/docs/about-us/support) to enable the usage of the `JSON` type.
 
+:::note
+In ClickHouse Open-Source JSON data type is marked as production ready in version 25.3. It's not recommended to use this type in production in previous versions.
+:::
+
+
 To declare a column of `JSON` type, you can use the following syntax:
 
 ```sql