Update release notes

RELEASES.md

@@ -8,7 +8,8 @@ Released on TBD (UTC).
 - Added Bybit stop order types (`STOP_MARKET`, `STOP_LIMIT`, `MARKET_IF_TOUCHED`, `LIMIT_IF_TOUCHED`, `TRAILING_STOP_MARKET`)
 - Added Binance venue option for adapter configurations (#1738), thanks @DevRoss
 - Added Betfair amend order quantity support (#1687 and #1751), thanks @imemo88 and @limx0
-- Added serial test group to Rust nextest runner for Postgres tests (#1753), thanks @filipmacek
+- Added Postgres tests serial test group for nextest runner (#1753), thanks @filipmacek
+- Added Postgres account persistence capability (#1768), thanks @filipmacek
 - Refactored `AccountAny` pattern in Rust (#1755), thanks @filipmacek
 - Changed `DatabentoLiveClient` to use new [snapshot on subscribe](https://databento.com/blog/live-MBO-snapshot) feature
 - Changed identifier generator time tag component to include seconds (affects new `ClientOrderId`, `OrderId` and `PositionId` generation)