[BUG] Jupyter Notebook links incorrectly point to beta.openai.com instead of platform.openai.com

[jk-codertech]

As a developer browsing the cookbook examples (Jupyter Notebook files), I noticed that some links still point to beta.openai.com, which is no longer a valid domain. These links should be updated to point to platform.openai.com instead.

All links within the Jupyter Notebook files should be reviewed and corrected to ensure they direct to platform.openai.com

[jk-codertech]

Please review the PR fix(broken-link): changed link from beta.openai.com to platform.opena… #1834

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[github-actions]

This issue was closed because it has been stalled for 10 days with no activity.