Fix benchmarking (on top of `v2`) #626

Job	Run time
build-benchmark	29m 8s
run-benchmark (staging, elections)	14s
run-benchmark (staging, members)	16s
run-benchmark (staging, networks)	14s
run-benchmark (staging, shards)	14s
run-benchmark (staging, tasks)	13s
run-benchmark (staging, timegraph)	15s
run-benchmark (development, elections)	11s
run-benchmark (development, members)	11s
run-benchmark (development, networks)	10s
run-benchmark (development, shards)	11s
run-benchmark (development, tasks)	10s
run-benchmark (development, timegraph)	11s
update-weights	0s
	31m 38s

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