chore: revert codecov upgrade

Author: openscript

.github/workflows/ci.yml

@@ -37,7 +37,7 @@ jobs:
  run: npm run test:coverage
 
  - name: Submit coverage
- uses: codecov/codecov-action@v4
+ uses: codecov/codecov-action@v3
  if: matrix.os == 'ubuntu-latest' && matrix.node == '18.x'
 
  - name: Build