Update ArduinoJSON, esp-nimble-cpp, Arduino Core, ESP-IDF (#448)

* ArduinoJSON 7.1.0

* Update nimble and arduino core

* Update nuki_ble

lib/ArduinoJson/extras/tests/JsonObjectConst/subscript.cpp

@@ -6,6 +6,7 @@
 #include <catch.hpp>
 
 #include "Allocators.hpp"
+#include "Literals.hpp"
 
 TEST_CASE("JsonObjectConst::operator[]") {
   JsonDocument doc;
@@ -17,7 +18,7 @@ TEST_CASE("JsonObjectConst::operator[]") {
   }
 
   SECTION("supports std::string") {
-    REQUIRE(obj[std::string("hello")] == "world");  // issue #2019
+    REQUIRE(obj["hello"_s] == "world");  // issue #2019
   }
 
 #if defined(HAS_VARIABLE_LENGTH_ARRAY) && \
@@ -27,7 +28,13 @@ TEST_CASE("JsonObjectConst::operator[]") {
     char vla[i];
     strcpy(vla, "hello");
 
-    REQUIRE(std::string("world") == obj[vla]);
+    REQUIRE("world"_s == obj[vla]);
   }
 #endif
+
+  SECTION("supports JsonVariant") {
+    doc["key"] = "hello";
+    REQUIRE(obj[obj["key"]] == "world");
+    REQUIRE(obj[obj["foo"]] == nullptr);
+  }
 }