Update symfony/filesystem requirement from ^6.0 to ^7.1

Updates the requirements on [symfony/filesystem](https://github.com/symfony/filesystem) to permit the latest version.
- [Release notes](https://github.com/symfony/filesystem/releases)
- [Changelog](https://github.com/symfony/filesystem/blob/7.1/CHANGELOG.md)
- [Commits](symfony/filesystem@v6.0.0...v7.1.1)

---
updated-dependencies:
- dependency-name: symfony/filesystem
  dependency-type: direct:production
...

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

composer.json

@@ -37,7 +37,7 @@
         "php-http/guzzle7-adapter": "^1.0",
         "squizlabs/php_codesniffer": "^3.6",
         "symfony/console": "^6.0",
-        "symfony/filesystem": "^6.0",
+        "symfony/filesystem": "^7.1",
         "symfony/finder": "^6.0",
         "symfony/polyfill-php73": "^1.22",
         "symfony/process": "^6.0",