fix(deps): update dependency openai to v4.68.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
openai	4.67.3 -> 4.68.0

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Release Notes

openai/openai-node (openai)

### [`v4.68.0`](https://redirect.github.com/openai/openai-node/blob/HEAD/CHANGELOG.md#4680-2024-10-17) [Compare Source](https://redirect.github.com/openai/openai-node/compare/v4.67.3...v4.68.0) Full Changelog: [v4.67.3...v4.68.0](https://redirect.github.com/openai/openai-node/compare/v4.67.3...v4.68.0) ##### Features - **api:** add gpt-4o-audio-preview model for chat completions ([#​1135](https://redirect.github.com/openai/openai-node/issues/1135)) ([17a623f](https://redirect.github.com/openai/openai-node/commit/17a623f70050bca4538ad2939055cd9d9b165f89))

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[AleksandarDev]

:tada: This PR is included in version 1.172.0-next.28 :tada:

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[AleksandarDev]

:tada: This PR is included in version 1.172.0 :tada:

The release is available on GitHub release

Your semantic-release bot :package::rocket: