Migrate from lerna@6 to lerna@7 or pure NPM workspaces #4847
Description
Is your feature request related to a problem?
Upgrade to lerna@7 by either using NPM workspaces or remove Lerna altogether.
Describe the suggestion or request in detail
lerna@7 removed lerna add and bunches of monorepo related features in favor of NPM workspaces.
Describe alternatives you have considered
No response
Additional context
While working on this one, if we need to touch CI pipeline, consider putting it in GitHub Actions and enable sharding in Jest to improve test speed and parallelism.