Bump symfony/css-selector from 6.4.3 to 6.4.8

Bumps [symfony/css-selector](https://github.com/symfony/css-selector) from 6.4.3 to 6.4.8.
- [Release notes](https://github.com/symfony/css-selector/releases)
- [Changelog](https://github.com/symfony/css-selector/blob/7.1/CHANGELOG.md)
- [Commits](symfony/css-selector@v6.4.3...v6.4.8)

---
updated-dependencies:
- dependency-name: symfony/css-selector
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]