Fix loading dataset docs link in run_translation.py example

[SoyGema]

What does this PR do?

Fixes broken link #24579

Before submitting

• [X] This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
• [X] Did you read the contributor guideline, Pull Request section?
• [ ] Was this discussed/approved via a Github issue or the forum? Please add a link to it if that's the case.
• [ ] Did you make sure to update the documentation with your changes? Here are the documentation guidelines, and here are tips on formatting docstrings.
• [ ] Did you write any new necessary tests?

Who can review?

@Rocketknight1

[HuggingFaceDocBuilderDev]

The documentation is not available anymore as the PR was closed or merged.

[SoyGema]

Thanks for the merge @amyeroberts !