Bump selectors from 0.24.0 to 0.25.0

Bumps [selectors](https://github.com/servo/servo) from 0.24.0 to 0.25.0.
- [Commits](https://github.com/servo/servo/commits)

---
updated-dependencies:
- dependency-name: selectors
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>