feat(start_planner): output velocity factor

[satoshi-ota]

Description

Outputs velocity factor when this module modifies path velocity.

Related links

Parent Issue:

• https://github.com/autowarefoundation/autoware.universe/pull/9344

How was this PR tested?

Psim

Notes for reviewers

None.

Interface changes

None.

Effects on system behavior

None.

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 29.76%. Comparing base (a0c4ab4) to head (0604e87). Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
..._start_planner_module/src/start_planner_module.cpp	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #9347 +/- ## ========================================== - Coverage 29.79% 29.76% -0.03% ========================================== Files 1338 1343 +5 Lines 103211 103292 +81 Branches 40212 40218 +6 ========================================== - Hits 30748 30747 -1 - Misses 69477 69559 +82 Partials 2986 2986 ``` | [Flag](https://app.codecov.io/gh/autowarefoundation/autoware.universe/pull/9347/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=autowarefoundation) | Coverage Δ | | *Carryforward flag | |---|---|---|---| | [differential](https://app.codecov.io/gh/autowarefoundation/autoware.universe/pull/9347/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=autowarefoundation) | `0.00% <0.00%> (?)` | | | | [total](https://app.codecov.io/gh/autowarefoundation/autoware.universe/pull/9347/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=autowarefoundation) | `29.79% <ø> (-0.01%)` | :arrow_down: | Carriedforward from [5dcb52b](https://app.codecov.io/gh/autowarefoundation/autoware.universe/commit/5dcb52b55ea9ef39f330a1a550a91d5db9e1afac?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=autowarefoundation) | *This pull request uses carry forward flags. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=autowarefoundation) to find out more.

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