Update wifi manager to fix watchdog timeout error

Author: h2zero

platformio.ini

@@ -136,7 +136,7 @@ htu21 = SparkFun HTU21D Humidity and Temperature Sensor Breakout@1.1.3
 ahtx0 = Adafruit AHTX0
 ina226 = https://github.com/jarzebski/Arduino-INA226.git#968a684
 a6lib = https://github.com/h2zero/A6lib
-wifimanager32 = https://github.com/tzapu/WiFiManager.git#9f5981e
+wifimanager32 = https://github.com/h2zero/WiFiManager.git#1ac24f4
 wifimanager8266 = https://github.com/tzapu/WiFiManager.git#2.0.5-beta
 ethernet = Ethernet
 esp8266_mdns = esp8266_mdns