Is contributor-assistant/github-action is still Alpha stage?

In https://github.com/cla-assistant/cla-assistant/blob/main/README.md?plain=1#L27 is mentioned that this project is Alpha. Is it is correct statement?

Our https://github.com/kyma-project org is onboarded in the https://cla-assistant.io/ page. Is it recommended to use additionally Github actions?