fix: upgrade bip39 from 3.0.4 to 3.1.0

Snyk has created this PR to upgrade bip39 from 3.0.4 to 3.1.0.

See this package in npm:
https://www.npmjs.com/package/bip39

See this project in Snyk:
https://app.snyk.io/org/sammyfilly/project/75c74f88-0694-4202-82ac-ece80b186837?utm_source=github&utm_medium=referral&page=upgrade-pr