ci: add codecov token

[xmfcx]

Description

Fix: https://github.com/autowarefoundation/autoware.universe/actions/runs/9740736192/job/26878461354#step:17:57

Related links

Parent Issue:

• Add CODECOV_TOKEN to autowarefoundation repositories #7769

• https://github.com/codecov/codecov-action?tab=readme-ov-file#usage

For forks:

• https://docs.codecov.com/docs/codecov-uploader#if-youre-using-the-action

  • The Codecov GitHub Action is capable of automatically detecting that it is running from a fork and will automatically correctly populate the branch parameter when uploading.

  • Should work out of the box but did not test for forks yet.

How was this PR tested?

• ci: add codecov token #7767 (comment)

Notes for reviewers

None.

Interface changes

None.

Effects on system behavior

None.

[github-actions]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.00%. Comparing base (3d849e9) to head (8cc16d9).
Report is 557 commits behind head on main.

❗ Current head 8cc16d9 differs from pull request most recent head 074cd13

Please upload reports for the commit 074cd13 to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #7767       +/-   ##
==========================================
- Coverage   15.09%   0.00%   -15.10%     
==========================================
  Files        1967      31     -1936     
  Lines      135941     656   -135285     
  Branches    42122      29    -42093     
==========================================
- Hits        20520       0    -20520     
+ Misses      92700     656    -92044     
+ Partials    22721       0    -22721     

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

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[xmfcx]

I'm merging since it's a simple change.