settings: add `network.connection_timeout` and `network.cloud_api.skip_board_detection_calls` #4875

Job	Run time
run-determination	1s
check-style (./)	47s
build (internal/arduino/discovery/discovery_client)	12s
check-config (./)	11s
build (rpc/internal/client_example)	25s
build (commands/term_example)	25s
check-formatting (./)	12s
check-license-headers (./)	17s
check-outdated (./)	13s
	2m 43s

Provide feedback