composer(deps-dev): update phpstan/phpstan requirement

Updates the requirements on [phpstan/phpstan](https://github.com/phpstan/phpstan) to permit the latest version.

Updates `phpstan/phpstan` to 1.11.7
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/1.12.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@1.11.6...1.11.7)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-type: direct:development
  dependency-group: minor-patch-dependencies
...

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

composer.json

@@ -34,7 +34,7 @@
     "mimmi20/coding-standard": "^5.2.36",
     "nikic/php-parser": "^4.19.1 || ^5.0.2",
     "phpstan/extension-installer": "^1.4.1",
-    "phpstan/phpstan": "^1.11.6",
+    "phpstan/phpstan": "^1.11.7",
     "phpstan/phpstan-deprecation-rules": "^1.2.0",
     "phpstan/phpstan-phpunit": "^1.4.0",
     "phpunit/phpunit": "^10.5.25",