Use reward_v2 for Indexing rewards #397

Job	Run time
clippy	1m 55s
build	4m 12s
fmt	14s
tests (coverage-map)	1m 38s
tests (coverage-point-calculator)	1m 59s
tests (ingest)	2m 30s
tests (reward-scheduler)	52s
tests (task-manager)	53s
tests-postgres (boost-manager)	3m 23s
tests-postgres (file-store)	2m 17s
tests-postgres (iot-config)	2m 37s
tests-postgres (iot-packet-verifier)	4m 34s
tests-postgres (iot-verifier)	3m 55s
tests-postgres (mobile-config)	2m 45s
tests-postgres (mobile-packet-verifier)	3m 30s
tests-postgres (mobile-verifier)	3m 43s
build-release	0s
	40m 57s

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