[TASK] Update PHPStan packages (#155)

| datasource | package                 | from   | to     |
| ---------- | ----------------------- | ------ | ------ |
| packagist  | phpstan/phpstan         | 2.1.31 | 2.1.32 |
| packagist  | phpstan/phpstan-phpunit | 2.0.7  | 2.0.8  |

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Tests/CGL/composer.json

@@ -4,8 +4,8 @@
 		"ergebnis/composer-normalize": "2.48.2",
 		"friendsofphp/php-cs-fixer": "3.89.2",
 		"phpstan/extension-installer": "1.4.3",
-		"phpstan/phpstan": "2.1.31",
-		"phpstan/phpstan-phpunit": "2.0.7",
+		"phpstan/phpstan": "2.1.32",
+		"phpstan/phpstan-phpunit": "2.0.8",
 		"phpstan/phpstan-symfony": "2.0.8",
 		"saschaegerer/phpstan-typo3": "2.1.1",
 		"shipmonk/composer-dependency-analyser": "1.8.3",