Update version, phpunit & css-selector versions in composer.json

Author: sujeet-verma

Diff for: composer.json

@@ -1,6 +1,6 @@
 {
     "name": "highwire/better-dom-document",
-    "version": "3.0.16",
+    "version": "4.0.1",
     "license": "BSD-3-Clause",
     "type": "library",
     "description": "BetterDOMDocument is a handy PHP utility class for working with XML. It's a wrapper for PHP's built in DOMDocument that provides a bunch of nice shortcuts that makes working with XML in PHP a breeze. It has great built-in support for namespaces, and xpath.",
@@ -17,10 +17,10 @@
 	}
     ],
     "require-dev": {
-        "phpunit/phpunit": "^11.3.0"
+        "phpunit/phpunit": "^11.3"
     },
     "require": {
-        "symfony/css-selector": "^7.1.0"
+        "symfony/css-selector": "^6.4|^7.1"
     },
      "extra": {
         "branch-alias": {