Update to use ArduinoJson 6+ (#1071)

main/ZsensorBH1750.ino

@@ -54,8 +54,8 @@ void setupZsensorBH1750() {
 void MeasureLightIntensity() {
   if (millis() > (timebh1750 + TimeBetweenReadingBH1750)) { //retrieving value of Lux, FtCd and Wattsm2 from BH1750
     Log.trace(F("Creating BH1750 buffer" CR));
-    StaticJsonBuffer<JSON_MSG_BUFFER> jsonBuffer;
-    JsonObject& BH1750data = jsonBuffer.createObject();
+    StaticJsonDocument<JSON_MSG_BUFFER> jsonBuffer;
+    JsonObject BH1750data = jsonBuffer.to<JsonObject>();
 
     timebh1750 = millis();
     unsigned int i = 0;
@@ -82,21 +82,21 @@ void MeasureLightIntensity() {
 
       // Generate Lux
       if (Lux != persistedll || bh1750_always) {
-        BH1750data.set("lux", (unsigned int)Lux);
+        BH1750data["lux"] = (unsigned int)Lux;
       } else {
         Log.trace(F("Same lux don't send it" CR));
       }
 
       // Generate FtCd
       if (ftcd != persistedlf || bh1750_always) {
-        BH1750data.set("ftcd", (unsigned int)ftcd);
+        BH1750data["ftcd"] = (unsigned int)ftcd;
       } else {
         Log.trace(F("Same ftcd don't send it" CR));
       }
 
       // Generate Watts/m2
       if (Wattsm2 != persistedlw || bh1750_always) {
-        BH1750data.set("wattsm2", (unsigned int)Wattsm2);
+        BH1750data["wattsm2"] = (unsigned int)Wattsm2;
       } else {
         Log.trace(F("Same wattsm2 don't send it" CR));
       }