chore(deps): update codecov/codecov-action action to v4

Author: renovate[bot]

.github/workflows/test.yml

@@ -56,7 +56,7 @@ jobs:
       - name: Upload coverage
         # TODO: Configure code coverage monitoring
         if: false && matrix.python-version == env.STABLE_PYTHON_VERSION && matrix.os == 'ubuntu-latest'
-        uses: codecov/codecov-action@ab904c41d6ece82784817410c45d8b8c02684457 # v3
+        uses: codecov/codecov-action@f30e4959ba63075080d4f7f90cacc18d9f3fafd7 # v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}