gulp fix #620

Job	Run time
firmware (espsv3, esp8266)	1m 47s
firmware (d1_mini, esp8266)	1m 46s
firmware (d1_mini_pro, esp8266)	1m 48s
firmware (d1_mini_lolinsd, esp8266)	1m 49s
firmware (esp01s, esp8266)	1m 55s
firmware (d1_mini32, esp32)	1m 59s
firmware (d1_mini32_eth, esp32)	2m 7s
firmware (d32_pro, esp32)	1m 52s
firmware (esp32_bong69, esp32)	1m 54s
firmware (esp32_cam, esp32)	2m 9s
firmware (d32_pro_eth, esp32)	1m 57s
firmware (esp32_ttgo_t8, esp32)	1m 54s
firmware (esp32_wt32eth01, esp32)	2m 1s
firmware (esp32_quinled_dig_octa, esp32)	1m 55s
firmware (esp32_quinled_quad, esp32)	1m 53s
firmware (esp32_quinled_quad_ae_plus, esp32)	1m 55s
firmware (esp32_quinled_quad_ae_plus_8, esp32)	1m 55s
firmware (esp32_quinled_quad_eth, esp32)	2m 8s
firmware (esp32_quinled_uno, esp32)	1m 55s
firmware (esp32_quinled_uno_ae_plus, esp32)	2m 14s
firmware (esp32_quinled_uno_eth, esp32)	1m 56s
firmware (esp32_quinled_uno_eth_espsv3, esp32)	1m 54s
firmware (esp32_wasatch, esp32)	1m 53s
firmware (d1_mini_mhetesp32minikit, esp32)	2m 3s
firmware (olimex_esp32_gw, esp32)	1m 54s
firmware (d1_mini_twilightlord, esp32)	2m 8s
firmware (d1_mini_twilightlord_eth, esp32)	2m 6s
firmware (esp32_devkitc, esp32)	1m 56s
firmware (m5stack_atom, esp32)	2m 10s
firmware (esp3deuxquatro_dmx, esp32)	2m 9s
firmware (esp32_quinled_uno_espsv3, esp32)	1m 57s
firmware (esp32_tetra2go, esp32)	1m 53s
firmware (esp32_kr_lights_msm, esp32)	1m 52s
package	23s
release	0s
	1h 5m 7s

Provide feedback