feat: increase masp txs gas limit + tx id hashes to lowercase #746

Job	Run time
Clippy	3m 15s
Tests	4m 36s
Format	58s
Docker (chain, chain)	5m 54s
Validate Swagger	26s
Docker (governance, governance)	2m 50s
Docker (pos, pos)	2m 36s
Docker (rewards, rewards)	2m 39s
Docker (seeder, seeder)	3m 40s
Docker (webserver, webserver)	3m 11s
Docker (parameters, parameters)	3m 42s
Docker (transactions, transactions)	2m 50s
can_enqueue	1s
can_merge	0s
	36m 38s

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