add v1.40.3 release note

doc/release/v1.40.3.md

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+
+## Fixes
+
+- Fixed order executor close position (check base balance for long position).
+- Fixed TrendEMA for pivotshort.
+- Fixed tradeStats counter for live trading.
+- Handle binance listenKeyExpired event to reconnect.
+- Improved order submit remapping issue and retry.
+
+## Interaction
+
+- Added telegram image support.
+- Added /resetposition command.
+
+## Strategies
+
+- supertrend: added pnl image support.
+- supertrend: use MA by day instead of by trade.
+- elliotwave: renewal.
+
+[Full Changelog](https://github.com/c9s/bbgo/compare/v1.40.2...main)
+
+ - [#932](https://github.com/c9s/bbgo/pull/932): feature: strategy/bolllmaker trend ema
+ - [#930](https://github.com/c9s/bbgo/pull/930): Fix: Pivotshort 
+ - [#929](https://github.com/c9s/bbgo/pull/929): feature: strategy/supertrend: draw pnl on
+ - [#931](https://github.com/c9s/bbgo/pull/931): fix: binance listenkey expired
+ - [#928](https://github.com/c9s/bbgo/pull/928): refactor: refactor interact strategy filter functions
+ - [#927](https://github.com/c9s/bbgo/pull/927): refactor: simplify submit order
+ - [#926](https://github.com/c9s/bbgo/pull/926): fix: handle created orders before we retry
+ - [#925](https://github.com/c9s/bbgo/pull/925): feature: order executor open position method
+ - [#922](https://github.com/c9s/bbgo/pull/922): fix: types/tradeStats: use last order id to identity consecutive win and loss
+ - [#921](https://github.com/c9s/bbgo/pull/921): strategy/supertrend: use ma by day instead of by trade
+ - [#910](https://github.com/c9s/bbgo/pull/910): SerialMarketDataStore, elliottwave renewal
+ - [#919](https://github.com/c9s/bbgo/pull/919): feature: add fixedpoint.Reducer, Counter and add update stats method on TradeStats