Change connection dispose logging from warn

Author: lutovich

driver/src/main/java/org/neo4j/driver/internal/net/pooling/BlockingPooledConnectionQueue.java

@@ -163,7 +163,7 @@ private void disposeSafely( PooledConnection connection )
         }
         catch ( Throwable disposeError )
         {
-            logger.error( "Error disposing connection", disposeError );
+            logger.warn( "Error disposing connection during termination", disposeError );
         }
     }