Allow OpenAI API URL to be configured via `assistant.openai_api_url` (#7552)

Partially fixes #4321, since Azure OpenAI API can be converted to OpenAI
API.

Release Notes:

- Added `assistant.openai_api_url` setting to allow OpenAI API URL to be
configured.

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Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>
9e17018416Yesterday17 committed on 2/12/2024, 4:37:27 PM· committed by GitHubparentd959719
7 files changedLine totals unavailable