Bump symfony/var-dumper from 5.4.24 to 6.4.4

Bumps [symfony/var-dumper](https://github.com/symfony/var-dumper) from 5.4.24 to 6.4.4.
- [Release notes](https://github.com/symfony/var-dumper/releases)
- [Changelog](https://github.com/symfony/var-dumper/blob/7.2/CHANGELOG.md)
- [Commits](symfony/var-dumper@v5.4.24...v6.4.4)

---
updated-dependencies:
- dependency-name: symfony/var-dumper
  dependency-type: direct:development
...

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

composer.json

@@ -22,7 +22,7 @@
         "friendsofphp/php-cs-fixer": "^3.17.0",
         "kubawerlos/php-cs-fixer-custom-fixers": "^v3.14.0",
         "phpunit/phpunit": "^9.5",
-        "symfony/var-dumper": "~5.4"
+        "symfony/var-dumper": "~6.4"
     },
     "replace": {
         "symfony/polyfill-php73": "*"