Add CODECOV_TOKEN to test workflow (#8)

* Add CODECOV_TOKEN to test workflow

* Update test workflow comment for codecov integration

This commit will trigger CI to upload coverage for both this branch and establish the BASE coverage report needed for codecov comparisons.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

---------

Co-authored-by: Claude <noreply@anthropic.com>

Author: sfmig

.github/workflows/test_and_deploy.yml

@@ -50,10 +50,11 @@ jobs:
           (Get-Item "C:\Program Files\Google\Chrome\Application\chrome.exe").VersionInfo
           chromedriver --version
 
-      # Run tests
+      # Run tests and run code coverage
       - uses: neuroinformatics-unit/actions/test@v2
         with:
           python-version: ${{ matrix.python-version }}
+          secret-codecov-token: ${{ secrets.CODECOV_TOKEN }}
 
   build_sdist_wheels:
     name: Build source distribution