Bump @percy/storybook from 4.3.6 to 4.3.7 (#3065)

Bumps [@percy/storybook](https://github.com/percy/percy-storybook) from 4.3.6 to 4.3.7.
- [Release notes](https://github.com/percy/percy-storybook/releases)
- [Commits](percy/percy-storybook@v4.3.6...v4.3.7)

---
updated-dependencies:
- dependency-name: "@percy/storybook"
  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>