Bump python-slugify from 6.1.2 to 7.0.0

Bumps [python-slugify](https://github.com/un33k/python-slugify) from 6.1.2 to 7.0.0.
- [Release notes](https://github.com/un33k/python-slugify/releases)
- [Changelog](https://github.com/un33k/python-slugify/blob/master/CHANGELOG.md)
- [Commits](un33k/python-slugify@v6.1.2...v7.0.0)

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

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Author: dependabot[bot]