allow symfony 6

Author: fd6130

composer.json

@@ -12,11 +12,11 @@
     "require": {
         "php": ">=7.4",
         "jomweb/billplz": "^4.1",
-        "symfony/config": "^4.4 || ^5.0",
-        "symfony/framework-bundle": "^4.4 || ^5.0",
-        "symfony/http-foundation": "^4.4 || ^5.0",
-        "symfony/http-kernel": "^4.4 || ^5.0",
-        "symfony/http-client": "^4.4 || ^5.0",
-        "symfony/yaml": "^4.4 || ^5.0"
+        "symfony/config": "^4.4 || ^5.0 || ^6.0",
+        "symfony/framework-bundle": "^4.4 || ^5.0 || ^6.0",
+        "symfony/http-foundation": "^4.4 || ^5.0 || ^6.0",
+        "symfony/http-kernel": "^4.4 || ^5.0 || ^6.0",
+        "symfony/http-client": "^4.4 || ^5.0 || ^6.0",
+        "symfony/yaml": "^4.4 || ^5.0 || ^6.0"
     }
 }