chore(deps): bump furo from 2023.9.10 to 2024.1.29 (#2196)

* chore(deps): bump furo from 2023.9.10 to 2024.1.29

Bumps [furo](https://github.com/pradyunsg/furo) from 2023.9.10 to 2024.1.29.
- [Release notes](https://github.com/pradyunsg/furo/releases)
- [Changelog](https://github.com/pradyunsg/furo/blob/main/docs/changelog.md)
- [Commits](pradyunsg/furo@2023.09.10...2024.01.29)

---
updated-dependencies:
- dependency-name: furo
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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* Run `poetry lock`

* Fix env var tests

* Revert pytest bump

Erotemic/xdoctest#151

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Edgar Ramírez-Mondragón <edgarrm358@gmail.com>