Bump symfony/dotenv from 8.0.0 to 8.0.6

Bumps [symfony/dotenv](https://github.com/symfony/dotenv) from 8.0.0 to 8.0.6.
- [Release notes](https://github.com/symfony/dotenv/releases)
- [Changelog](https://github.com/symfony/dotenv/blob/8.1/CHANGELOG.md)
- [Commits](symfony/dotenv@v8.0.0...v8.0.6)

---
updated-dependencies:
- dependency-name: symfony/dotenv
  dependency-version: 8.0.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]