Merge pull request #22 from garak/remove-extjson

remove useless ext-json requirement

Author: ovx

composer.json

@@ -14,8 +14,7 @@
         }
     ],
     "require": {
-        "php": ">=8.2",
-        "ext-json": "*"
+        "php": ">=8.2"
     },
     "require-dev": {
         "phpunit/phpunit": "^11.5.50",