Fix incorrect method name in get_events

The get_events method was calling parse_event which does not exist.
Changed to parse_pydantic_event to match the actual method name in the class.

Author: 04cb

agents/polymarket/gamma.py

@@ -112,7 +112,7 @@ def get_events(
             else:
                 events: list[PolymarketEvent] = []
                 for market_event_obj in data:
-                    events.append(self.parse_event(market_event_obj))
+                    events.append(self.parse_pydantic_event(market_event_obj))
                 return events
         else:
             raise Exception()