update codecov CI task

Author: rlidwka

.github/workflows/codecov.yml

@@ -20,6 +20,7 @@ jobs:
           cargo +nightly tarpaulin --verbose --all-features --workspace --timeout 120 --out Xml
 
       - name: Upload to codecov.io
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v4
         with:
           fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}