chore(deps-dev): bump @storybook/addon-actions from 6.4.19 to 6.4.20 (#2027)

Bumps [@storybook/addon-actions](https://github.com/storybookjs/storybook/tree/HEAD/addons/actions) from 6.4.19 to 6.4.20.
- [Release notes](https://github.com/storybookjs/storybook/releases)
- [Changelog](https://github.com/storybookjs/storybook/blob/v6.4.20/CHANGELOG.md)
- [Commits](https://github.com/storybookjs/storybook/commits/v6.4.20/addons/actions)

---
updated-dependencies:
- dependency-name: "@storybook/addon-actions"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]