Bump symfony/intl from 6.4.7 to 6.4.8

Bumps [symfony/intl](https://github.com/symfony/intl) from 6.4.7 to 6.4.8.
- [Release notes](https://github.com/symfony/intl/releases)
- [Changelog](https://github.com/symfony/intl/blob/7.1/CHANGELOG.md)
- [Commits](symfony/intl@v6.4.7...v6.4.8)

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

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