fix(velodyne_monitor): add fmt package to dependencies

[drwnz]

Description

Before

When building using --packages-up-to, the build fails with missing dependencies.

After

Build passes.

Environment: This issue occurred when building the TLR software stack and dependent packages (--packages-up-to jetson_tlr_launch in Humble).

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Post-review checklist for the PR author

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• There are no open discussions or they are tracked via tickets.

After all checkboxes are checked, anyone who has write access can merge the PR.

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.99 🎉

Comparison is base (be0929b) 11.86% compared to head (d001ee2) 12.85%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3069      +/-   ##
==========================================
+ Coverage   11.86%   12.85%   +0.99%     
==========================================
  Files        1333     1213     -120     
  Lines       92801    85015    -7786     
  Branches    24660    23936     -724     
==========================================
- Hits        11014    10932      -82     
+ Misses      70372    62749    -7623     
+ Partials    11415    11334      -81     

Flag	Coverage Δ		*Carryforward flag
differential	0.00% <ø> (?)
total	12.85% <ø> (+0.99%)	⬆️	Carriedforward from 2f171c5

*This pull request uses carry forward flags. Click here to find out more.

Impacted Files	Coverage Δ
...lanner/include/behavior_path_planner/utilities.hpp	23.80% <ø> (ø)
...er/src/scene_module/avoidance/avoidance_module.cpp	0.00% <ø> (ø)
...ehavior_path_planner/src/util/lane_change/util.cpp	0.00% <ø> (ø)
planning/behavior_path_planner/src/utilities.cpp	8.20% <ø> (+0.62%)	⬆️

... and 192 files with indirect coverage changes

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[ito-san]

LGTM