chore(deps): update external major

Author: renovate[bot]

.github/workflows/main.yaml

@@ -18,7 +18,7 @@ jobs:
       - run: npm ci
       - run: npm run lint
       - run: npm test
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           flags: unittests
           token: ${{ secrets.CODECOV_TOKEN }}