Bump symfony/yaml from 2.8.52 to 5.4.35

Bumps [symfony/yaml](https://github.com/symfony/yaml) from 2.8.52 to 5.4.35.
- [Release notes](https://github.com/symfony/yaml/releases)
- [Changelog](https://github.com/symfony/yaml/blob/7.0/CHANGELOG.md)
- [Commits](symfony/yaml@v2.8.52...v5.4.35)

---
updated-dependencies:
- dependency-name: symfony/yaml
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -29,7 +29,7 @@
         "php5friends/phpunit48": ">=4.8.41",
         "phpdocumentor/reflection-docblock": "~5.4.0",
         "phpstan/phpstan": "^1.10",
-        "symfony/yaml": "^2.8 || ^3.4 || ^4.4"
+        "symfony/yaml": "^5.4.35"
     },
     "require": {
         "php": "^5.4 || ^7.0 || ^8.0",