ci: use fmt-check #680

Job	Run time
Format	1m 3s
Validate Swagger	39s
Clippy	3m 33s
Docker (chain, chain)	10m 18s
Tests	4m 44s
Docker (governance, governance)	9m 55s
Docker (pos, pos)	9m 30s
Docker (rewards, rewards)	9m 41s
Docker (seeder, seeder)	9m 36s
Docker (webserver, webserver)	9m 48s
Docker (parameters, parameters)	9m 37s
Docker (transactions, transactions)	9m 36s
can_enqueue	1s
can_merge	0s
	1h 28m 1s

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