ci: generate openapi json through vercel #1883

Job	Run time
lint-docs	1m 6s
lint	56s
test	3m 30s
test-event-replay	1m 33s
test-rpc	1m 13s
test-bns	1m 54s
test-btc-faucet	1m 11s
test-subnets	2m 29s
test-2_4 (block-zero-handling)	1m 18s
test-bns-e2e	1m 55s
test-rosetta	1m 39s
test-2_4 (faucet-stx)	1m 16s
test-2_4 (pox-3-btc-address-formats)	1m 55s
test-2_4 (pox-3-delegate-aggregation)	1m 30s
test-2_4 (pox-3-delegate-stacking)	1m 57s
test-rosetta-cli-construction	2m 22s
test-2_4 (pox-3-delegate-revoked-stacking)	1m 41s
test-2_4 (pox-3-stack-extend-increase)	1m 26s
test-2_4 (pox-3-rosetta-btc-addr-types)	4m 38s
test-2_4 (pox-3-rosetta-cycle-phases)	4m 56s
test-rosetta-cli-data	1m 51s
test-2_4 (pox-3-rosetta-segwit)	2m 16s
test-2_4 (pox-3-burnchain-stack-stx)	1m 41s
test-2_4 (pox-3-burnchain-delegate-stx)	1m 36s
test-rosetta-construction	1m 47s
build-publish	0s
	49m 36s

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