chore(crop_box_filter): add missing default parameter (#1155)

fix: add missing parameter after crop_box_filter rework

Signed-off-by: badai-nguyen <dai.nguyen@tier4.jp>

Author: badai-nguyen

autoware_launch/config/perception/object_recognition/detection/clustering/voxel_grid_based_euclidean_cluster.param.yaml

@@ -15,3 +15,4 @@
     min_y: -200.0
     max_z: 2.0
     min_z: -10.0
+    negative: false