Migrate from yarn classic to yarn pnp (4)

[pablomendezroyo]

• Migrate from yarn clasic to yarn modern: see https://yarnpkg.com/migration/guide#update-your-configuration-to-the-new-settings
• Migrate from lerna to yarn workspaces: see https://classic.yarnpkg.com/lang/en/docs/workspaces/

[github-actions[bot]]

Dappnode bot has built and pinned the built packages to an IPFS node, for commit: 21c2a43b14b05840fb1af0f60cfb3703370da888

This is a development version and should only be installed for testing purposes.

(by dappnodebot/build-action)

[pablomendezroyo]

Closed by https://github.com/dappnode/DNP_DAPPMANAGER/pull/1993