chore(backstage): update prover accounts metadata #934

Job	Run time
build all rust contracts	15m 27s
test eth-prover	6m 57s
test eth-client	9m 24s
test eth2-client	9m 45s
test eth2near/contract_wrapper	10m 11s
test eth2near/finality-update-verify	7m 55s
test eth2near/eth2-to-near-block-relay-rs	10m 29s
test eth2near/eth2-contract-init	8m 27s
test eth2near/eth_rpc_client	8m 44s
	1h 27m 19s

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