Adds compatibility with webmozart/assert 2.0.

Author: ddebin

composer.json

@@ -21,7 +21,7 @@
     "ext-filter": "*",
     "ext-libxml": "*",
     "ext-simplexml": "*",
-    "webmozart/assert": "^1.5"
+    "webmozart/assert": "^1.5 || ^2.0"
   },
   "require-dev": {
     "friendsofphp/php-cs-fixer": "^3.92",