v1.4.0 for WizNet WizFi360

### Release v1.4.0

1. Add support to WizNet `WizFi360`, such as `WIZNET_WIZFI360_EVB_PICO` using `arduino-pico` core

library.json

@@ -1,6 +1,6 @@
 {
   "name": "ESP_AT_WiFiManager",
-  "version": "1.3.1",
+  "version": "1.4.0",
   "keywords": "wifi, wifi-manager, ESP8266-AT, ESP32-AT, WizFi360, AT-command, wifi-shield, nRF52, SAM DUE, SAMD21, SAMD51, STM32, rpi-pico, rp2040, nano-rp2040-connect, Credentials, LittleFS, EEPROM, FlashStorage-SAMD, FlashStorage-STM32, DueFlashStorage",
   "description": "WiFi/Credentials Manager for nRF52, SAM DUE, SAMD21, SAMD51, STM32F/L/H/G/WB/MP1, RP2040-based RASPBERRY_PI_PICO, etc. boards using WizFi360/ESP8266/ESP32-AT-command shields with fallback web configuration portal. Credentials are saved in EEPROM, FlashStorage_SAMD, FlashStorage_STM32, DueFlashStorage or nRF52/RP2040 LittleFS.",
   "authors":