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

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

• Release management

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

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

  • [x] Ran ./bin/makemessages_js.sh
  • [x] Ran ./bin/compilemessages_js.sh

• Commit hygiene

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

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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

Additional details and impacted files

```diff @@ 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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