Fix receive_public_trades method

The delivery period does not need to be in the past. Moreover the
protobuf dependency is tightened again.

Author: cwasicki

pyproject.toml

@@ -35,7 +35,7 @@ dependencies = [
   "frequenz-client-base >= 0.9.0, < 0.10.0",
   "frequenz-client-common >= 0.1.0, < 0.3.0",
   "frequenz-api-electricity-trading >= 0.5.0, < 0.6.0",
-  "protobuf >= 5.29.2, < 7",
+  "protobuf >= 5.29.2, < 6",
 ]
 dynamic = ["version"]
 

src/frequenz/client/electricity_trading/_client.py

@@ -923,8 +923,6 @@ def dt_to_pb_timestamp(dt: datetime) -> Timestamp:
             ts.FromDatetime(dt)
             return ts
 
-        self.validate_params(delivery_period=delivery_period)
-
         public_trade_filter = PublicTradeFilter(
             states=states,
             delivery_period=delivery_period,