Enable Python 3.13, add setuptools dependency

[kynan]

Checklist

• Used a personal fork of the feedstock to propose changes
• Bumped the build number (if the version is unchanged)
• Reset the build number to 0 (if the version changed)
• Re-rendered with the latest conda-smithy (Use the phrase @conda-forge-admin, please rerender in a comment in this PR for automated rerendering)
• Ensured the license file is being packaged.

[conda-forge-admin]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe/meta.yaml) and found it was in an excellent condition.

I do have some suggestions for making it better though...

For recipe/meta.yaml:

• ℹ️ PyPI default URL is now pypi.org, and not pypi.io. You may want to update the default source url.

_{This message was generated by GitHub Actions workflow run https://github.com/conda-forge/conda-forge-webservices/actions/runs/12263830459. Examine the logs at this URL for more detail.}

[kynan]

@dopplershift Here's a repro of the failure. The culprit is the pydub dependency which is incompatible with Python 3.13.

[kynan]

See also jiaaro/pydub#815, jiaaro/pydub#816

[dopplershift]

The upstream repository for audiogrep was archived in favor of videogrep itself, so I'm not sure this update even makes much sense any more. I'll comment over on the videogrep PR on a path forward for that recipe.

[kynan]

This will be unblocked by conda-forge/staged-recipes#28515