Gemini CLI error in the workflow (this repo)

@copilot open a new pull request to apply changes based on [this feedback](https://github.com/google-github-actions/run-gemini-cli/pull/387#discussion_r2505297596)

_Originally posted by @huan in https://github.com/google-github-actions/run-gemini-cli/pull/387#discussion_r2511544435_
            