v1.2.3 to optimize code, etc.

### Releases v1.2.3

1. Optimize code by using passing by `reference` instead of by `value`
1. Add `ESP_Complex` examples to update system time from RTC time. Check [setTime() does not set system time #1](#1)
2. Update `Packages' Patches`

README.md

@@ -144,7 +144,7 @@ This [**DS323x_Generic library**](https://github.com/khoih-prog/DS323x_Generic)
  1. [`Arduino IDE v1.8.19+` for Arduino](https://www.arduino.cc/en/Main/Software)
  2. [`Arduino AVR core 1.8.5+`](https://github.com/arduino/ArduinoCore-avr) for Arduino (Use Arduino Board Manager) for AVR boards. [![GitHub release](https://img.shields.io/github/release/arduino/ArduinoCore-avr.svg)](https://github.com/arduino/ArduinoCore-avr/releases/latest)
  3. [`Arduino MegaAVR core v1.8.3+`](https://github.com/arduino/ArduinoCore-megaavr) for Arduino MegaAVR boards such as Arduino Uno WiFi Rev2. Use Arduino Board Manager to install. [![GitHub release](https://img.shields.io/github/release/arduino/ArduinoCore-megaavr.svg)](https://github.com/arduino/ArduinoCore-megaavr/releases/latest)
- 4. [`ESP32 Core 2.0.0+`](https://github.com/espressif/arduino-esp32) for ESP32-based boards. [![Latest release](https://img.shields.io/github/release/espressif/arduino-esp32.svg)](https://github.com/espressif/arduino-esp32/releases/latest/)
+ 4. [`ESP32 Core 2.0.2+`](https://github.com/espressif/arduino-esp32) for ESP32-based boards. [![Latest release](https://img.shields.io/github/release/espressif/arduino-esp32.svg)](https://github.com/espressif/arduino-esp32/releases/latest/)
  5. [`ESP8266 Core 3.0.2+`](https://github.com/esp8266/Arduino) for ESP8266-based boards. [![Latest release](https://img.shields.io/github/release/esp8266/Arduino.svg)](https://github.com/esp8266/Arduino/releases/latest/). To use ESP8266 core 2.7.1+ for LittleFS.
  6. [`Teensy core v1.56+`](https://www.pjrc.com/teensy/td_download.html) for Teensy (4.1, 4.0, 3.6, 3.5, 3,2, 3.1, 3.0) boards. **Not ready in v1.0.0.**
  7. [`Arduino SAM DUE core v1.6.12+`](https://github.com/arduino/ArduinoCore-sam) for SAM DUE ARM Cortex-M3 boards.