feat(velodyne): add node name to diag name of hesai hw_monitor

[KYabuuchi]

PR Type

• Improvement

Related Links

This applies the same changes to vleodyne as #217

Description

Added namespace so that velodyne_hw_monitor can diag each LiDAR.

Previously, when multiple Velodyne LiDAR drivers are running, the diagnostics for all LiDARs are labeled as velodyne_ros_wrapper_node, making it impossible to distinguish between them.

With this fix, each LiDAR's namespace is added to the diagnostics, allowing them to be properly distinguished.
For example, the diagnostics now appear as follows:

Review Procedure

Remarks

Pre-Review Checklist for the PR Author

PR Author should check the checkboxes below when creating the PR.

• Assign PR to reviewer

Checklist for the PR Reviewer

Reviewers should check the checkboxes below before approval.

• Commits are properly organized and messages are according to the guideline
• (Optional) Unit tests have been written for new behavior
• PR title describes the changes

Post-Review Checklist for the PR Author

PR Author should check the checkboxes below before merging.

• All open points are addressed and tracked via issues or tickets

CI Checks

• Build and test for PR: Required to pass before the merge.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 26.47%. Comparing base (1128658) to head (3d2eb28).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #281      +/-   ##
==========================================
- Coverage   29.28%   26.47%   -2.81%     
==========================================
  Files         112      112              
  Lines        9733     9526     -207     
  Branches     3252     2122    -1130     
==========================================
- Hits         2850     2522     -328     
- Misses       6359     6580     +221     
+ Partials      524      424     -100     

Flag	Coverage Δ
differential	26.47% <0.00%> (?)
total	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
Common	18.37% <ø> (-31.87%)	⬇️
Hesai	29.69% <ø> (-0.72%)	⬇️
Velodyne	37.25% <0.00%> (+0.06%)	⬆️
Continental	25.09% <ø> (+0.02%)	⬆️
Robosense	0.00% <ø> (ø)

[mojomex]

LGTM!