add retries #939

Job	Run time
Tests	1m 16s
Format	19s
Clippy	37s
Docker (chain, chain)	2m 32s
Validate Swagger	1m 9s
Docker (governance, governance)	2m 26s
Docker (pos, pos)	2m 19s
Docker (rewards, rewards)	2m 14s
Docker (seeder, seeder)	3m 36s
Docker (webserver, webserver)	2m 31s
Docker (parameters, parameters)	2m 14s
Docker (transactions, transactions)	2m 24s
can_enqueue	1s
can_merge	0s
	23m 38s

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