ci: use codecov token (#257)

Author: simPod

.github/workflows/ci.yml

@@ -134,5 +134,7 @@ jobs:
 
       - name: "Upload to Codecov"
         uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with:
           directory: reports