[BUG] Fix CodeQL issue

[penghuo]

What is the bug?
https://github.com/opensearch-project/sql/pull/1063/checks?check_run_id=10073672658

[Yury-Fridlyand]

Isn't a duplicate of #889?

[joshuali925]

yes it's duplicate of #889, closing. Should I dismiss the alerts? we included Grok's source code to support serialization but it's mostly an external library, we can keep the other issue for improvements on circuit breaker