Update dependency phpunit/php-file-iterator to v7

| datasource | package                   | from  | to    |
| ---------- | ------------------------- | ----- | ----- |
| packagist  | phpunit/php-file-iterator | 6.0.0 | 7.0.0 |

Author: renovate[bot]

composer.json

@@ -41,7 +41,7 @@
         "fidry/cpu-core-counter": "^1.3.0",
         "jean85/pretty-package-versions": "^2.1.1",
         "phpunit/php-code-coverage": "^12.5.3",
-        "phpunit/php-file-iterator": "^6",
+        "phpunit/php-file-iterator": "^7",
         "phpunit/php-timer": "^8",
         "phpunit/phpunit": "^12.5.9",
         "sebastian/environment": "^8.0.3",