[sht3xd] Combine log statements to reduce loop blocking (#12957)

esphome/components/sht3xd/sht3xd.cpp

@@ -60,8 +60,10 @@ void SHT3XDComponent::dump_config() {
     ESP_LOGE(TAG, "  Communication with SHT3xD failed!");
     return;
   }
-  ESP_LOGD(TAG, "  Serial Number: 0x%08" PRIX32, this->serial_number_);
-  ESP_LOGD(TAG, "  Heater Enabled: %s", this->heater_enabled_ ? "true" : "false");
+  ESP_LOGD(TAG,
+           "  Serial Number: 0x%08" PRIX32 "\n"
+           "  Heater Enabled: %s",
+           this->serial_number_, TRUEFALSE(this->heater_enabled_));
 
   LOG_I2C_DEVICE(this);
   LOG_UPDATE_INTERVAL(this);