[Spike]: Check granular webpack chunking

[larsroettig]

Is your feature request related to a problem? Please describe.

Evaluated can we reduce our bundle size with CommonsChunkPlugin

More details you can find here:

• https://web.dev/granular-chunking-nextjs/

Describe the solution you'd like

Describe alternatives you've considered

Additional context zeit/next.js#7631 zeit/next.js#7696

Please let us know what packages this feature is in regards to:

• [ ] venia-concept
• [ ] venia-ui
• [ ] pwa-buildpack
• [ ] peregrine
• [ ] pwa-devdocs
• [ ] upward-js
• [ ] upward-spec
• [ ] create-pwa

[sirugh]

@magento export issue to JIRA project PWA as Story

[github-jira-sync-bot]

:white_check_mark: Jira issue https://jira.corp.magento.com/browse/PWA-1772 is successfully created for this GitHub issue.