In the Facebook group to Side Project: HaniMandl, halbautomatischer Honig-Abfüllbehälter Marc is using the adaption of the HX711.cpp form lemio to get the lib running with the ESP32: HX711/HX711.cpp at master · lemio/HX711 · GitHub
Other people recommaned to use the normal bogde lib https://github.com/bogde/HX711/blob/master/HX711.cpp and remove this section in HX711.cpp
#ifndef ESP8266
#if ARDUINO_VERSION <= 106
// "yield" is not implemented as noop in older Arduino Core releases, so let's define it.
// See also: https://stackoverflow.com/questions/34497758/what-is-the-secret-of-the-arduino-yieldfunction/34498165#34498165
void yield(void) {};
#endif
#endif