Update gazebo lidar scan frame_name

[Tiryoh]

Proposed change(s)

This pull request changes the frame_name of the scan topic to lidar_link.
This change is to match the configuration when using LD06.

https://github.com/mangdangroboticsclub/mini_pupper_ros/pull/45/files#diff-05da6729185417799ca0b81bf54d30ca675a1c6cb7e97600b963c19086c75d02

Useful links (GitHub issues, forum threads, etc.)

• Update bringup launch file and URDF to support real Mini Pupper #45

Types of change(s)

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code refactor (non-breaking change which refactor the code)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update only
• Other (please describe)

Testing and Verification

1. ros2 launch mini_pupper_gazebo gazebo.launch.py
2. ros2 launch mini_pupper_navigation bringup.launch.py use_sim_time:=true
3. See the console log on the second terminal

Test Configuration

Mini Pupper Version
Simulator

PC OS + ROS version
Ubuntu 22.04, ROS 2 Humble

Checklist

• I have read the CONTRIBUTING guidelines.
• I have checked to ensure there aren't other open Pull Requests for the same change.

Other comments

I don't know why but this helps to fix the following message

[rviz2-4] [INFO] [1678205135.199224077] [rviz2]: Message Filter dropping message: frame 'lidar' at time 1678205129.143 for reason 'discarding message because the queue is full'