add ds 4.0 constraint

Author: benwalch

composer.json

@@ -25,7 +25,7 @@
     },
     "require": {
         "pimcore/pimcore": "^11.0",
-        "dachcom-digital/dynamic-search": "^3.0",
+        "dachcom-digital/dynamic-search": "^3.0 || ^4.0",
         "elasticsearch/elasticsearch": "^7.0",
         "handcraftedinthealps/elasticsearch-dsl": "^7.0"
     },