Merge pull request #47 from devcer/renovate/codecov-codecov-action-4.x

Update codecov/codecov-action action to v4

Author: devcer

.github/workflows/codecov.yaml

@@ -1,3 +1,3 @@
 - name: Upload coverage reports to Codecov
-  uses: codecov/codecov-action@v3
+  uses: codecov/codecov-action@v4
    env: CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}