Update symfony packages

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
symfony/asset (source)	8.0.* → 8.0.6
symfony/asset-mapper (source)	8.0.* → 8.0.6
symfony/browser-kit (source)	8.0.* → 8.0.4
symfony/cache (source)	8.0.* → 8.0.6
symfony/console (source)	8.0.* → 8.0.6
symfony/css-selector (source)	8.0.* → 8.0.6
symfony/dotenv (source)	8.0.* → 8.0.6
symfony/framework-bundle (source)	8.0.* → 8.0.6
symfony/http-client (source)	8.0.* → 8.0.6
symfony/runtime (source)	8.0.* → 8.0.1
symfony/string (source)	8.0.* → 8.0.6
symfony/twig-bundle (source)	8.0.* → 8.0.4
symfony/yaml (source)	8.0.* → 8.0.6

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