[Snyk] Security upgrade express from 4.21.1 to 4.21.2 #2638

Job	Run time
lint	1m 4s
test (api)	10m 4s
test (bns)	3m 15s
test (bns-e2e)	7m 23s
test (btc-faucet)	1m 43s
test-2_5 (block-zero-handling)	1m 27s
test (event-replay)	2m 5s
test-2_5 (faucet-stx)	1m 41s
test (rpc)	1m 39s
test-2_5 (pox-4-btc-address-formats)	2m 10s
test-2_5 (pox-4-delegate-aggregation)	2m 19s
test-2_5 (pox-4-delegate-stacking)	1m 46s
test-rosetta (rosetta)	3m 17s
test-2_5 (pox-4-delegate-revoked-stacking)	2m 4s
test-rosetta (rosetta-construction)	2m 26s
test-2_5 (pox-4-stack-extend-increase)	2m 16s
test-rosetta (rosetta-cli-data)	2m 12s
test-2_5 (pox-4-rosetta-btc-addr-types)	5m 22s
test-rosetta (rosetta-cli-construction)	2m 37s
test-2_5 (pox-4-rosetta-cycle-phases)	1m 30s
test-2_5 (pox-4-rosetta-segwit)	1m 41s
test-2_5 (pox-4-burnchain-stack-stx)	1m 38s
test-2_5 (pox-4-burnchain-delegate-stx)	2m 6s
build-publish	1m 56s
	1h 5m 41s

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