refactor: reduce info-level log verbosity for rewards, governance, and pos like chain and transactions. #809

Job	Run time
Tests	4m 39s
Clippy	3m 14s
Format	51s
Docker (chain, chain)	15m 53s
Validate Swagger	27s
Docker (governance, governance)	15m 59s
Docker (pos, pos)	16m 11s
Docker (rewards, rewards)	15m 38s
Docker (seeder, seeder)	16m 2s
Docker (webserver, webserver)	16m 38s
Docker (parameters, parameters)	16m 11s
Docker (transactions, transactions)	15m 56s
can_enqueue	1s
can_merge	0s
	2h 17m 40s

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