Fix(rosetta): Nakamoto timestamps #2580

Job	Run time
test (api)	10m 21s
test (bns)	3m 10s
test (bns-e2e)	7m 2s
test (btc-faucet)	1m 34s
test (event-replay)	1m 52s
test (rpc)	1m 26s
lint	1m 1s
test-2_5 (block-zero-handling)	1m 16s
test-rosetta (rosetta)	3m 9s
test-2_5 (faucet-stx)	1m 15s
test-rosetta (rosetta-construction)	2m 20s
test-rosetta (rosetta-cli-data)	2m 5s
test-2_5 (pox-4-btc-address-formats)	2m 5s
test-rosetta (rosetta-cli-construction)	2m 26s
test-2_5 (pox-4-delegate-aggregation)	2m 9s
test-2_5 (pox-4-delegate-stacking)	1m 49s
test-2_5 (pox-4-delegate-revoked-stacking)	2m 7s
test-2_5 (pox-4-stack-extend-increase)	2m 8s
test-2_5 (pox-4-rosetta-btc-addr-types)	5m 11s
test-2_5 (pox-4-rosetta-cycle-phases)	1m 13s
test-2_5 (pox-4-rosetta-segwit)	1m 33s
test-2_5 (pox-4-burnchain-stack-stx)	1m 33s
test-2_5 (pox-4-burnchain-delegate-stx)	1m 34s
build-publish	2m 15s
	1h 2m 34s

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