Update all non-major dependencies to ^13.2.1

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpunit/phpunit | 13.2.0 | 13.2.1 |

Author: renovate[bot]

composer.json

@@ -18,7 +18,7 @@
     "require-dev": {
         "phpstan/phpstan": "^2.2.2",
         "phpstan/phpstan-phpunit": "^2.0.16",
-        "phpunit/phpunit": "^13.2.0"
+        "phpunit/phpunit": "^13.2.1"
     },
     "autoload": {
         "psr-4": {