After npm ci some package.json files are modified

[megtog]

After npm ci some package.json files are modified. Is this normal?

	modified:   src/chains/ethereum/console.log/package-lock.json
	modified:   src/chains/ethereum/ethereum/package-lock.json
	modified:   src/chains/ethereum/transaction/package-lock.json
	modified:   src/chains/filecoin/filecoin/package-lock.json
	modified:   src/chains/tezos/tezos/package-lock.json
	modified:   src/packages/core/package-lock.json
	modified:   src/packages/ganache/npm-shrinkwrap.json
	modified:   src/packages/secp256k1/package-lock.json
	modified:   src/packages/utils/package-lock.json

[davidmurdoch]

You must use npm v6 for development. We'll likely update to lock file version 2, which will allow for development with npm v8, after we drop Node v12 support in the coming weeks.