Updated MH-Z19 Libary to 1.5.3; moved to new calibrate() instead of calibrateZero()

platformio.ini

@@ -14,7 +14,7 @@ board = esp32dev
 framework = arduino
 lib_deps = 
 	adafruit/Adafruit NeoPixel@^1.6.0
-	wifwaf/MH-Z19@^1.5.2
 	squix78/ESP8266_SSD1306@^4.1.0
 	yiannisbourkelis/Uptime Library @ ^1.0.0
+	wifwaf/MH-Z19@^1.5.3
 monitor_speed = 115200

src/ebk_co2ampel.cpp

@@ -246,7 +246,7 @@ void calibrateCO2() {
   
   myMHZ19.setRange(5000);
   delay(500);
-  myMHZ19.calibrateZero();
+  myMHZ19.calibrate();
   delay(500);
   myMHZ19.autoCalibration(false);
   delay(500);