feat: http2 support (#154) #511

Job	Run time
Clippy	0s
Format	0s
Docker (chain, chain)	9m 56s
Build	0s
Docker (governance, governance)	9m 38s
Tests	0s
Docker (pos, pos)	9m 55s
Validate Swagger	30s
Docker (rewards, rewards)	9m 59s
Docker (seeder, seeder)	9m 37s
Docker (webserver, webserver)	9m 45s
Docker (parameters, parameters)	10m 0s
Docker (transactions, transactions)	10m 2s
can_enqueue	1s
can_merge	0s
	1h 19m 23s

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