fix(tools/mysql-list-tables): Update sql query to resolve subquery scope error (#1629)

## Description

---
This change fixes the `Unknown column 'T.TABLE_SCHEMA'` error in the
`mysql-list-tables` tool by refactoring a correlated subquery in the SQL
query to list tables.

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🛠️ Fixes #1624

Co-authored-by: Averi Kitsch <akitsch@google.com>

internal/tools/mysql/mysqllisttables/mysqllisttables.go

@@ -145,11 +145,10 @@ const listTablesStatement = `
                                     JSON_ARRAYAGG(S.COLUMN_NAME) AS INDEX_COLUMNS_ARRAY
                                 FROM
                                     INFORMATION_SCHEMA.STATISTICS S
-                                WHERE
-                                    S.TABLE_SCHEMA = T.TABLE_SCHEMA AND S.TABLE_NAME = T.TABLE_NAME
                                 GROUP BY
                                     S.TABLE_SCHEMA, S.TABLE_NAME, S.INDEX_NAME
                             ) AS IndexData
+                            WHERE IndexData.TABLE_SCHEMA = T.TABLE_SCHEMA AND IndexData.TABLE_NAME = T.TABLE_NAME
                             ORDER BY IndexData.INDEX_NAME
                         ),
                         'triggers', (