Executor crash with unknow trade flag

[hieuh25]

Crash log:

    self.runner.tick(
  File "/usr/src/trade-executor/tradeexecutor/strategy/runner.py", line 789, in tick
    self.execution_model.execute_trades(
  File "/usr/src/trade-executor/tradeexecutor/ethereum/execution.py", line 407, in execute_trades
    routing_model.setup_trades(
  File "/usr/src/trade-executor/tradeexecutor/strategy/generic/generic_router.py", line 118, in setup_trades
    router.setup_trades(
  File "/usr/src/trade-executor/tradeexecutor/ethereum/routing_model.py", line 528, in setup_trades
    return self.execute_trades_internal(
  File "/usr/src/trade-executor/tradeexecutor/ethereum/routing_model.py", line 436, in execute_trades_internal
    trade_txs = self.make_credit_supply_trade(
  File "/usr/src/trade-executor/tradeexecutor/ethereum/one_delta/one_delta_routing.py", line 555, in make_credit_supply_trade
    trade_txs = routing_state.lend_via_one_delta(
  File "/usr/src/trade-executor/tradeexecutor/ethereum/one_delta/one_delta_routing.py", line 274, in lend_via_one_delta
    raise ValueError(f"Wrong trade flags used: {trade_flags}")
ValueError: Wrong trade flags used: {<TradeFlag.increase: 'increase'>}