Bump symfony/var-exporter from 8.0.0 to 8.0.8

Bumps [symfony/var-exporter](https://github.com/symfony/var-exporter) from 8.0.0 to 8.0.8.
- [Release notes](https://github.com/symfony/var-exporter/releases)
- [Changelog](https://github.com/symfony/var-exporter/blob/8.1/CHANGELOG.md)
- [Commits](symfony/var-exporter@v8.0.0...v8.0.8)

---
updated-dependencies:
- dependency-name: symfony/var-exporter
  dependency-version: 8.0.8
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]