Add support for PHP 8.3

Drop support for PHP 8.0

Author: alexraputa

composer.json

@@ -26,7 +26,7 @@
             "dealerdirect/phpcodesniffer-composer-installer": true
         },
         "platform": {
-            "php": "8.0.99"
+            "php": "8.1.99"
         }
     },
     "extra": {
@@ -35,7 +35,7 @@
         }
     },
     "require": {
-        "php": "~8.0.0 || ~8.1.0 || ~8.2.0",
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
         "league/oauth2-server": "^8.3.5",
         "mezzio/mezzio-authentication": "^1.0",
         "psr/container": "^1.0 || ^2.0",