docs: Add a link to GItHub issue to mysql.mdx

Author: igorlukanin

docs/pages/product/configuration/data-sources/mysql.mdx

@@ -99,6 +99,12 @@ whereas previous version used `mysql_native_password`. Please
 [see this answer on StackOverflow](https://stackoverflow.com/a/50377944)
 for a workaround.
 
+<InfoBox>
+
+For additional details, check the [relevant issue](https://github.com/cube-js/cube/issues/3525) on GitHub.
+
+</InfoBox>
+
 [mysql]: https://www.mysql.com/
 [ref-caching-using-preaggs-build-strats]:
   /product/caching/using-pre-aggregations#pre-aggregation-build-strategies