actualize CHANGELOG after #1151 (comment)

Signed-off-by: Slach <[email protected]>

Author: Slach

ChangeLog.md

@@ -4,7 +4,7 @@ BUG FIXES
 - fix empty `path` and non-empty `object_disk_path` config parameters, allows unexpected deletion backup object disk data, fix [859](https://github.com/Altinity/clickhouse-backup/issues/859) 
 - reproduce behavior `<metadata_path>` parameter in clickhouse `<storage_configuration>` don't contain trailing slash, restore make hardlinks to wrong directory, look details in https://github.com/Altinity/clickhouse-backup/issues/859#issuecomment-2896880448, https://github.com/ClickHouse/ClickHouse/issues/80647 
 - fix backup for azblob disk behavior when `storage_account_url` contains container as first part in hostname
-- fix wrong unescape special characters in table create query, fix [1151](https://github.com/Altinity/clickhouse-backup/issues/1151), affected aversions from 2.6.6 to 2.6.18
+- fix wrong unescape special characters in table create query, fix [1151](https://github.com/Altinity/clickhouse-backup/issues/1151), affected aversions from 2.6.6 to 2.6.18, backups which created in these versions which contains `\` in create table definition, requires manual replacing  `\` to `\\` for properly restore.
 
 # v2.6.18
 IMPROVEMENTS