Updating vision cookbook to render properly

[rzhao-openai]

Summary

Fix #1783. The cookbook utilizes GPT4.1-mini vision capabilities to analyze a video by splitting the video into images by frames. Then, these images are interpreted by the GPT4.1-mini model to create a script narrating the video. Finally, GPT4o-mini-tts is utilized to generate an audio recording of the script.

Motivation

Updating cookbook to utilize GPT4.1-mini vision capabilities over 4o, and using GPT4o-mini-tts over older tts models.

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[damon-openai]

AD, add more text to the summary please!