Add new npm package step dedicated to release process (`latest` tag) #5623

Job	Run time
build (macos-12)	2m 54s
test (ubuntu-22.04)	5m 29s
build (windows-latest)	3m 10s
build-test-wasm	2m 27s
build-ubuntu-X64	4m 3s
test (macos-12)	2m 16s
test (windows-latest)	3m 46s
build-docusaurus	1m 58s
build-open-api-ui	5s
cargo-doc	38s
check	1m 5s
build-test-explorer	51s
publish-wasm-test (mithril-client-wasm)	1m 41s
publish-docs	0s
e2e (std, thales, 8.7.3, 0, #1)	1m 34s
e2e (std, thales, 8.7.3, 0, #2)	1m 11s
e2e (std, thales, 8.7.3, 10, #1)	1m 7s
e2e (std, thales, 8.7.3, 10, #2)	1m 10s
e2e (std, thales, 8.7.3, 100, #1)	1m 11s
e2e (std, thales, 8.7.3, 100, #2)	1m 8s
e2e (std, thales, 8.1.2, 100, #1)	1m 18s
e2e (p2p, thales, 8.7.3, 100, #1, --use-p2p-network)	1m 8s
send-tests-results	15s
docker-mithril (mithril-aggregator)	27s
docker-mithril (mithril-client-cli)	21s
publish-crate-test (mithril-stm)	10s
docker-mithril (mithril-signer)	23s
publish-crate-test (mithril-build-script)	5s
docker-mithril (mithril-relay)	24s
publish-crate-test (mithril-common)	8s
unstable-release	0s
publish-crate-test (mithril-client)	14s
deploy-testing (testing-preview)	22s
deploy-testing (testing-sanchonet)	14s
	43m 13s

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