Update symfony/var-dumper requirement from ^5.3 to ^7.2

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/7.2/CHANGELOG.md)
- [Commits](symfony/var-dumper@v5.3.0...v7.2.0)

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

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

Author: dependabot[bot]

composer.json

@@ -20,7 +20,7 @@
         "phpstan/phpstan": "^1.12",
         "phpstan/phpstan-deprecation-rules": "^1.2",
         "phpunit/phpunit": "^9.6",
-        "symfony/var-dumper": "^5.3",
+        "symfony/var-dumper": "^7.2",
         "tomasvotruba/cognitive-complexity": "0.2.3",
         "tomasvotruba/type-coverage": "1.0.0",
         "tomasvotruba/unused-public": "1.1.0"