feat(out_of_lane): add option to ignore overlaps in lane changes (autowarefoundation#986)

Signed-off-by: Maxime CLEMENT <maxime.clement@tier4.jp>

Author: maxime-clem

autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_velocity_planner/out_of_lane.param.yaml

@@ -3,6 +3,7 @@
     out_of_lane:  # module to stop or slowdown before overlapping another lane with other objects
       mode: ttc # mode used to consider a conflict with an object. "threshold", "intervals", or "ttc"
       skip_if_already_overlapping: false # do not run this module when ego already overlaps another lane
+      ignore_overlaps_over_lane_changeable_lanelets: true  # if true, overlaps on lane changeable lanelets are ignored
 
       threshold:
         time_threshold: 5.0  # [s] consider objects that will reach an overlap within this time