Fix renovate dependency conflicts: update llama-index to ^0.13.0 and llama-index-llms-openai to ^0.5.0 (#2448)

* Initial plan

* Fix renovate PRs: update llama-index to ^0.13.0 and llama-index-llms-openai to ^0.5.0

Co-authored-by: shanbady <[email protected]>

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Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: shanbady <[email protected]>

Author: Copilot