Upgrade to Storybook 7

[koesie10]

This upgrades to Storybook 7. It is based on the automigration with manual changes for the add-on. There should be no changes in actual behavior between Storybook 6 and 7.

Checklist

• CHANGELOG.md has been updated to incorporate all user visible changes made by this pull request.
• Issues have been created for any UI or other user-facing changes made by this pull request.
• [Maintainers only] If this pull request makes user-facing changes that require documentation changes, open a corresponding docs pull request in the github/codeql repo and add the ready-for-doc-review label there.

[koesie10]

The problem seems to be the glob package. Storybook depends on glob-promise, which has a peer dependency of glob version 8. We are installing version 9, which is a full rewrite. Therefore, glob-promise doesn't work.

This should be resolved in the next version of Storybook: storybookjs/storybook@ac16a38. See https://redirect.github.com/ahmadnassri/node-glob-promise/issues/204

[koesie10]

This is now ready for review since Storybook 7.1 has just been released. There should be no changes in behavior between Storybook 6 and Storybook 7.

[robertbrignull]

LGTM and works for me locally