Updated the Root certificate for LetsEncrypt #1499

Job	Run time
debug	2s
Build nodemcu-32s	2m 9s
Build espressif_esp-wrover-kit	2m 10s
Build espressif_esp-wrover-kit_latest	1m 39s
Build adafruit_huzzah32_dev	2m 10s
Build adafruit_huzzah32	1m 58s
Build adafruit_featheresp32	2m 16s
Build openevse_wifi_v1	2m 20s
Build olimex_esp32-gateway-old	1m 59s
Build olimex_esp32-gateway-e	2m 2s
Build olimex_esp32-gateway-f	1m 55s
Build olimex_esp32-gateway-e_dev	2m 13s
Build olimex_esp32-gateway-f_dev	2m 13s
Build olimex_esp32-poe-iso	2m 15s
Build heltec_esp32-wifi-lora-v2	1m 59s
Build wt32-eth01	2m 11s
Build esp32-c3-devkitc-02	2m 15s
Build elecrow_esp32_hmi	2m 17s
Build elecrow_esp32_hmi_dev	2m 15s
Build openevse_wifi_tft_v1	2m 20s
Build openevse_wifi_tft_v1_dev	2m 23s
Upload release assets	0s
	43m 1s

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