composer(deps-dev): update symfony/finder requirement (#218)

Updates the requirements on [symfony/finder](https://github.com/symfony/finder) to permit the latest version.
- [Release notes](https://github.com/symfony/finder/releases)
- [Changelog](https://github.com/symfony/finder/blob/5.3/CHANGELOG.md)
- [Commits](symfony/finder@v5.2.9...v5.3.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

composer.json

@@ -32,7 +32,7 @@
     "phpstan/phpstan-deprecation-rules": "^0.12.6",
     "phpstan/phpstan-phpunit": "^0.12.19",
     "phpunit/phpunit": "^9.5.5",
-    "symfony/finder": "^5.2.9"
+    "symfony/finder": "^5.3.0"
   },
   "config": {
     "preferred-install": "dist",