Bump actions/upload-pages-artifact from 2 to 3 #60

Job	Run time
Get environments	19s
build ATOM_Matrix	2m 15s
build ATOM_Matrix_test_server	46s
build ESP32	35s
build ESP32_C3	58s
build ESP32_C3_test_server	49s
build ESP32_S2	42s
build ESP32_S2_test_server	39s
build ESP32_S3	48s
build ESP32_S3_test_server	47s
build ESP32_test_server	42s
build ESP8266	27s
build ESP8266_test_server	28s
Build gh pages	21s
deploy	0s
	10m 36s

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