chore: add codecov token

Author: mikbry

.github/workflows/main.yml

@@ -36,4 +36,6 @@ jobs:
     - name: Codecov
       uses: codecov/codecov-action@v1
       with:
+        file: coverage
+        token: ${{ secrets.CODECOV_TOKEN }}    
         fail_ci_if_error: false # optional (default = false)