Bump @nx/storybook from 19.5.7 to 21.3.1

---
updated-dependencies:
- dependency-name: "@nx/storybook"
  dependency-version: 21.3.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]