restored workaround for some ESP32C3 WiFi connection issue:

espressif/arduino-esp32#6767

Author: hpsaturn

Diff for: src/ESP32WifiCLI.cpp

@@ -143,6 +143,10 @@ void ESP32WifiCLI::wifiAPConnect(bool save) {
   int retry = 0;
   WiFi.begin(temp_ssid.c_str(), temp_pasw.c_str());
 
+  #if CONFIG_IDF_TARGET_ESP32C3
+  WiFi.setTxPower(WIFI_POWER_8_5dBm);
+  #endif
+
   while (WiFi.status() != WL_CONNECTED && retry++ < 20) {  // M5Atom will connect automatically
     delay(1000);
     if (!silent) Serial.print(".");