Bump cssselect from 1.1.0 to 1.2.0

Bumps [cssselect](https://github.com/scrapy/cssselect) from 1.1.0 to 1.2.0.
- [Changelog](https://github.com/scrapy/cssselect/blob/master/CHANGES)
- [Commits](scrapy/cssselect@v1.1.0...v1.2.0)

---
updated-dependencies:
- dependency-name: cssselect
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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