update dependency

Author: RobertDeutz

composer.json

@@ -6,17 +6,17 @@
     "homepage": "https://github.com/joomla-framework/string",
     "license": "GPL-2.0-or-later",
     "require": {
-        "php": "^8.1.0",
+        "php": "^8.3.0",
         "symfony/deprecation-contracts": "^2|^3",
         "symfony/polyfill-mbstring": "^1.31.0"
     },
     "require-dev": {
         "doctrine/inflector": "^1.2",
         "joomla/test": "dev-4.x-dev",
-        "phpunit/phpunit": "^9.5.28",
-        "squizlabs/php_codesniffer": "^3.7.2",
-        "phpstan/phpstan": "1.12.27",
-        "phpstan/phpstan-deprecation-rules": "1.2.1"
+        "phpunit/phpunit": "^12.0",
+        "squizlabs/php_codesniffer": "^3.10.2",
+        "phpstan/phpstan": "2.1.17",
+        "phpstan/phpstan-deprecation-rules": "2.0.3"
     },
     "conflict": {
         "doctrine/inflector": "<1.2"