Updated the query-serving error code (#1488)

Co-authored-by: vitess-bot[bot] <108069721+vitess-bot[bot]@users.noreply.github.com>

content/en/docs/17.0/reference/errors/query-serving.md

@@ -58,6 +58,8 @@ These error messages are internal to Vitess. If you are getting other errors fro
 | VT09010 | SHOW VITESS_THROTTLER STATUS works only on primary tablet. | SHOW VITESS_THROTTLER STATUS works only on primary tablet | 0 |  |
 | VT09011 | The prepared statement is not available | Unknown prepared statement handler (%s) given to %s | 1243 | HY000 |
 | VT09012 | This type of statement is not allowed on the given tablet. | %s statement with %s tablet not allowed | 0 |  |
+| VT09013 | Durability policy wants Vitess to use semi-sync, but the MySQL instances don't have the semi-sync plugin loaded. | semi-sync plugins are not loaded | 0 |  |
+| VT09014 | The vindex cannot be used as table in DML statement | vindex cannot be modified | 0 |  |
 | VT10001 | Foreign key constraints are not allowed, see https://vitess.io/blog/2021-06-15-online-ddl-why-no-fk/. | foreign key constraints are not allowed | 0 |  |
 | VT12001 | This statement is unsupported by Vitess. Please rewrite your query to use supported syntax. | unsupported: %s | 0 |  |
 | VT13001 | This error should not happen and is a bug. Please file an issue on GitHub: https://github.com/vitessio/vitess/issues/new/choose. | [BUG] %s | 0 |  |