fix flushing Exception Replay (#601)

Author: nhulston

datadog_lambda/wrapper.py

@@ -58,6 +58,7 @@
 ).lower() in ("true", "1")
 if exception_replay_env_var:
     from ddtrace.debugging._exception.replay import SpanExceptionHandler
+    from ddtrace.debugging._uploader import LogsIntakeUploaderV1
 
 logger = logging.getLogger(__name__)
 
@@ -405,6 +406,10 @@ def _after(self, event, context):
             if llmobs_env_var:
                 LLMObs.flush()
 
+            # Flush exception replay
+            if exception_replay_env_var:
+                LogsIntakeUploaderV1._instance.periodic()
+
             if self.encode_authorizer_context and is_authorizer_response(self.response):
                 self._inject_authorizer_span_headers(
                     event.get("requestContext", {}).get("requestId")