feat(autoware.repos): change vls driver to nebula driver

[drwnz]

Description

This PR should be tested in conjunction with autowarefoundation/sample_sensor_kit_launch#64
This PR changes the LiDAR driver used from velodyne_vls to Nebula.
Nebula is actively maintained, supports more different LiDARs, and has been tested to have feature parity with velodyne_vls for Velodyne VLP16 and Velodyne VLS128.

Tests performed

This has been tested with the Autoware sample_sensor_kit_launch on branch feat/nebula and the sample Autoware map and rosbag data found here:
https://autowarefoundation.github.io/autoware-documentation/main/tutorials/ad-hoc-simulation/rosbag-replay-simulation/

Localization, pointcloud preprocessing, and perception were all found to work with the same performance as with the previous velodyne_vls driver.

Effects on system behavior

System behavior should be the same as when using the previous velodyne_vls LiDAR driver, with some performance benefits (and more to come as Nebula is developed and optimized).

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[mitsudome-r]

lgtm

[yukkysaito]

LGTM