Revert "do not send coverage report to codecova (operation timed out)"

This reverts commit 35b294a.

Author: gfx

.github/workflows/ci.yml

@@ -27,6 +27,10 @@ jobs:
     - run: npm install -g nyc
     - run: npm ci
     - run: npm run test:cover
+    - uses: codecov/codecov-action@v5
+      with:
+        files: coverage/coverage-final.json
+        token: ${{ secrets.CODECOV_TOKEN }}
 
   browser:
     runs-on: ubuntu-latest