Update to ArduinoJson 7.0.4

lib/ArduinoJson/extras/tests/JsonVariant/clear.cpp

@@ -1,13 +1,16 @@
 // ArduinoJson - https://arduinojson.org
-// Copyright © 2014-2023, Benoit BLANCHON
+// Copyright © 2014-2024, Benoit BLANCHON
 // MIT License
 
 #include <ArduinoJson.h>
 #include <stdint.h>
 #include <catch.hpp>
 
+#include "Allocators.hpp"
+
 TEST_CASE("JsonVariant::clear()") {
-  DynamicJsonDocument doc(4096);
+  SpyingAllocator spy;
+  JsonDocument doc(&spy);
   JsonVariant var = doc.to<JsonVariant>();
 
   SECTION("size goes back to zero") {
@@ -23,4 +26,14 @@ TEST_CASE("JsonVariant::clear()") {
 
     REQUIRE(var.isNull() == true);
   }
+
+  SECTION("releases owned string") {
+    var.set(std::string("hello"));
+    var.clear();
+
+    REQUIRE(spy.log() == AllocatorLog{
+                             Allocate(sizeofString("hello")),
+                             Deallocate(sizeofString("hello")),
+                         });
+  }
 }