Remove unused nyholm/nsa dependency (#28)

Author: OskarStark

composer.json

@@ -29,7 +29,6 @@
         "symfony/uid": "^6.4 || ^7.2"
     },
     "require-dev": {
-        "nyholm/nsa": "^1.3",
         "php-cs-fixer/shim": "^3.84",
         "phpstan/phpstan": "^2.1",
         "phpunit/phpunit": "^10.5",