Update all non-major dependencies

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpstan/phpstan | 2.1.49 | 2.1.50 |
| packagist  | phpunit/phpunit | 13.1.5 | 13.1.6 |

Author: renovate[bot]

composer.json

@@ -14,10 +14,10 @@
         "php": "~8.4.0 || ~8.5.0"
     },
     "require-dev": {
-        "phpstan/phpstan": "^2.1.49",
+        "phpstan/phpstan": "^2.1.50",
         "phpstan/phpstan-phpunit": "^2.0.16",
         "phpstan/phpstan-strict-rules": "^2.0.10",
-        "phpunit/phpunit": "^13.1.5",
+        "phpunit/phpunit": "^13.1.6",
         "slam/php-cs-fixer-extensions": "^3.15.0",
         "symfony/console": "^8.0.8"
     },