Bump chromatic from 6.20.0 to 6.21.0

Bumps [chromatic](https://github.com/chromaui/chromatic-cli) from 6.20.0 to 6.21.0.
- [Changelog](https://github.com/chromaui/chromatic-cli/blob/main/CHANGELOG.md)
- [Commits](chromaui/chromatic-cli@v6.20.0...v6.21.0)

---
updated-dependencies:
- dependency-name: chromatic
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -31,7 +31,7 @@
     "@types/ramda": "0.29.3",
     "@vitejs/plugin-react": "4.0.4",
     "autoprefixer": "10.4.14",
-    "chromatic": "6.20.0",
+    "chromatic": "6.21.0",
     "cypress": "12.17.3",
     "eslint": "8.46.0",
     "husky": "8.0.3",