fix: reduce consumer poll timeout from 2000ms to 100ms (#761)

trustgraph-base/trustgraph/base/consumer.py

@@ -160,7 +160,7 @@ class Consumer:
             try:
                 msg = await asyncio.to_thread(
                     self.consumer.receive,
-                    timeout_millis=2000
+                    timeout_millis=100
                 )
             except Exception as e:
                 # Handle timeout from any backend