💚 [maykinmedia/open-api-framework#116] Fix codecov publish

[stevenbal]

by explicitly using the CODECOV_TOKEN

Closes maykinmedia/open-api-framework#116 partially

Changes

• Fix codecov publish

Checklist

Check off the items that are completed or not relevant.

• Experimental features/changes

  • Any experimental features added in this PR are backwards compatible
  • Any experimental features added in this PR are documented in the docs/api/experimental.rst page

• Commit hygiene

  • Commit messages refer to the relevant Github issue
  • Commit messages explain the "why" of change, not the how

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.66%. Comparing base (734fcaf) to head (c5ffaef).
Report is 125 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #254      +/-   ##
==========================================
+ Coverage   91.48%   91.66%   +0.18%     
==========================================
  Files         100      104       +4     
  Lines        2641     2809     +168     
  Branches      414      427      +13     
==========================================
+ Hits         2416     2575     +159     
- Misses        199      207       +8     
- Partials       26       27       +1     

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