update dev dependencies

Author: oscarotero

composer.json

@@ -29,7 +29,7 @@
         "squizlabs/php_codesniffer": "^3.0",
         "oscarotero/php-cs-fixer-config": "^1.0",
         "phpstan/phpstan": "^0.12",
-        "laminas/laminas-diactoros": "^2.3"
+        "laminas/laminas-diactoros": "^2|^3"
     },
     "autoload": {
         "psr-4": {