Added Laravel 9 and Symfony 6 support

Author: Andrey Helldar

Diff for: composer.json

@@ -1,30 +1,38 @@
 {
     "name": "dragon-code/xml-core",
     "description": "Preset settings for packages that work with XML files.",
-    "type": "library",
     "license": "MIT",
-    "keywords": ["xml", "core", "dragon-code", "dragon", "andrey-helldar"],
-    "support": {
-        "issues": "https://github.com/TheDragonCode/xml-core/issues",
-        "source": "https://github.com/TheDragonCode/xml-core"
-    },
+    "type": "library",
+    "keywords": [
+        "xml",
+        "core",
+        "dragon-code",
+        "dragon",
+        "andrey-helldar"
+    ],
     "authors": [
         {
             "name": "Andrey Helldar",
             "email": "[email protected]"
         }
     ],
+    "support": {
+        "issues": "https://github.com/TheDragonCode/xml-core/issues",
+        "source": "https://github.com/TheDragonCode/xml-core"
+    },
     "require": {
-        "php": "^7.3|^8.0",
+        "php": "^7.3 || ^8.0",
         "ext-dom": "*",
-        "illuminate/validation": "^6.0|^7.0|^8.0",
-        "illuminate/support": "^6.0|^7.0|^8.0",
-        "symfony/http-kernel": "^4.0|^5.0"
+        "illuminate/support": "^6.0 || ^7.0 || ^8.0 || ^9.0",
+        "illuminate/validation": "^6.0 || ^7.0 || ^8.0 || ^9.0",
+        "symfony/http-kernel": "^4.0 || ^5.0 || ^6.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.0",
-        "symfony/var-dumper": "^5.0"
+        "symfony/var-dumper": "^5.0 || ^6.0"
     },
+    "minimum-stability": "stable",
+    "prefer-stable": true,
     "autoload": {
         "psr-4": {
             "DragonCode\\Core\\Xml\\": "src"
@@ -38,7 +46,5 @@
     "config": {
         "preferred-install": "dist",
         "sort-packages": true
-    },
-    "minimum-stability": "stable",
-    "prefer-stable": true
+    }
 }