Upgrade to formio-builder 0.30

[sergei-maertens]

Closes #4636
Closes #4637

Changes

• Upgraded bundled formio-builder from 0.28.0 to 0.30.0 which contains necessary fixes.

This also exposes the ProductPrice experimental component, which will likely be gated behind a feature flag for the full 3.0 release.

Checklist

Check off the items that are completed or not relevant.

• Impact on features

  • Checked copying a form
  • Checked import/export of a form
  • Config checks in the configuration overview admin page
  • Problem detection in the admin email digest is handled

• Release management

  • I have labelled the PR as "needs-backport" accordingly

• I have updated the translations assets (you do NOT need to provide translations)

  • Ran ./bin/makemessages_js.sh
  • Ran ./bin/compilemessages_js.sh

• Commit hygiene

  • Commit messages refer to the relevant Github issue
  • Commit messages explain the "why" of change, not the how

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.56%. Comparing base (d777da6) to head (bf3b4ad).
Report is 4 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4748   +/-   ##
=======================================
  Coverage   96.56%   96.56%           
=======================================
  Files         746      746           
  Lines       25187    25187           
  Branches     3313     3313           
=======================================
  Hits        24322    24322           
  Misses        601      601           
  Partials      264      264           

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