chore: revert codecov upgrade

Author: openscript

.github/workflows/continuous-integration.yml

@@ -34,7 +34,7 @@ jobs:
         run: yarn test
 
       - name: Submit coverage
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v3
 
       - name: Try to build
         run: yarn build