[Mobile Config] Add updated_at to GatewayInfoV2 (response) #640

Job	Run time
build	2m 42s
clippy	2m 1s
fmt	10s
tests (coverage-map)	1m 34s
tests (coverage-point-calculator)	1m 28s
tests (ingest)	2m 15s
tests (reward-scheduler)	1m 9s
tests (task-manager)	1m 54s
tests-postgres (boost-manager)	2m 37s
tests-postgres (iot-config)	2m 57s
tests-postgres (file-store)	2m 14s
tests-postgres (iot-packet-verifier)	4m 10s
tests-postgres (iot-verifier)	3m 9s
tests-postgres (mobile-config)	2m 26s
tests-postgres (mobile-packet-verifier)	2m 33s
tests-postgres (mobile-verifier)	3m 10s
build-release	0s
	36m 29s

Provide feedback