[Composer] Added dev dependency on ibexa/core

Author: ciastektk

composer.json

@@ -30,7 +30,7 @@
         "ext-libxml": "*",
         "ext-simplexml": "*",
         "ext-xmlwriter": "*",
-        "ibexa/core": "~4.6.0@dev",
+        "ibexa/core": "dev-ibx-6620-added-image-search-criterions as 4.6.x-dev",
         "symfony/http-kernel": "^5.3",
         "symfony/dependency-injection": "^5.3",
         "symfony/routing": "^5.3",