fix(deps): update dependency openai to v4.12.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
openai	4.11.1 -> 4.12.1

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Release Notes

openai/openai-node (openai)

v4.12.1

Compare Source

Full Changelog: v4.12.0...v4.12.1

Bug Fixes

• fix namespace exports regression (#​366) (b2b1d85)

v4.12.0

Compare Source

Full Changelog: v4.11.1...v4.12.0

Features

• api: remove content_filter stop_reason and update documentation (#​352) (a4b401e)
• re-export chat completion types at the top level, and work around webpack limitations (#​365) (bb815d0)

Bug Fixes

• prevent ReferenceError, update compatibility to ES2020 and Node 18+ (#​356) (fc71a4b)

Chores

• internal: minor formatting improvement (#​354) (3799863)

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