ci(codecov): update codecov gha version number (#330)

* ci(codecov): update codecov gha version number

* add reference to codecov token using secret

* testing codecov/codecov-action@v3

* testing codecov/codecov-action@v3.1.5

* ci(codecov): bump gh action version to 5

---------

Co-authored-by: Charles Truong <charles@doffy.net>

Author: oboulant

.github/workflows/run-test.yml

@@ -52,7 +52,9 @@ jobs:
       run: |
         python -m pytest --cov --cov-report=xml --cov-report=term:skip-covered
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v2
+      uses: codecov/codecov-action@v5
+      # env:
+      #   CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
       with:
         files: ./coverage.xml
         flags: unittests