Update to ArduinoJson 7.0.4

lib/ArduinoJson/extras/tests/JsonObject/containsKey.cpp

@@ -1,12 +1,12 @@
 // ArduinoJson - https://arduinojson.org
-// Copyright © 2014-2023, Benoit BLANCHON
+// Copyright © 2014-2024, Benoit BLANCHON
 // MIT License
 
 #include <ArduinoJson.h>
 #include <catch.hpp>
 
 TEST_CASE("JsonObject::containsKey()") {
-  DynamicJsonDocument doc(4096);
+  JsonDocument doc;
   JsonObject obj = doc.to<JsonObject>();
   obj["hello"] = 42;
 
@@ -15,12 +15,6 @@ TEST_CASE("JsonObject::containsKey()") {
     REQUIRE(true == obj.containsKey("hello"));
   }
 
-  SECTION("works with JsonObjectConst") {
-    JsonObjectConst cobj = obj;
-    REQUIRE(false == cobj.containsKey("world"));
-    REQUIRE(true == cobj.containsKey("hello"));
-  }
-
   SECTION("returns false after remove()") {
     obj.remove("hello");