Update symfony/var-dumper requirement from ^7.0 to ^7.1

Updates the requirements on [symfony/var-dumper](https://github.com/symfony/var-dumper) to permit the latest version.
- [Release notes](https://github.com/symfony/var-dumper/releases)
- [Changelog](https://github.com/symfony/var-dumper/blob/7.1/CHANGELOG.md)
- [Commits](symfony/var-dumper@v7.0.0...v7.1.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -34,7 +34,7 @@
         "phpstan/phpstan-phpunit": "^1.3",
         "phpunit/phpunit": "^10.5",
         "spatie/ignition": "^1.14",
-        "symfony/var-dumper": "^7.0",
+        "symfony/var-dumper": "^7.1",
         "vimeo/psalm": "^5.24"
     },
     "autoload": {