Update sqlx #479

Job	Run time
fmt	15s
clippy	2m 5s
build	2m 14s
tests (coverage-point-calculator)	1m 26s
tests (reward-scheduler)	59s
tests (coverage-map)	1m 40s
tests (ingest)	1m 50s
tests-postgres (boost-manager)	2m 29s
tests-postgres (file-store)	2m 11s
tests (task-manager)	59s
tests-postgres (iot-config)	2m 29s
tests-postgres (iot-packet-verifier)	3m 28s
tests-postgres (iot-verifier)	2m 32s
tests-postgres (mobile-config)	2m 14s
tests-postgres (mobile-packet-verifier)	2m 32s
tests-postgres (mobile-verifier)	2m 55s
build-release	0s
	32m 18s

Provide feedback