fix(Qdrant): Collection Exists API return type (#3745)

Author: Anush008

independent-publisher-connectors/Qdrant/apiDefinition.swagger.json

@@ -371,7 +371,7 @@
                   "type": "object",
                   "properties": {
                     "exists": {
-                      "type": "string",
+                      "type": "boolean",
                       "description": "exists"
                     }
                   },
@@ -20299,4 +20299,4 @@
       "propertyValue": "AI"
     }
   ]
-}
+}