chore(deps-dev): bump solid-js from 1.8.20 to 1.8.21 in /seeder

Bumps [solid-js](https://github.com/solidjs/solid) from 1.8.20 to 1.8.21.
- [Release notes](https://github.com/solidjs/solid/releases)
- [Changelog](https://github.com/solidjs/solid/blob/main/CHANGELOG.md)
- [Commits](https://github.com/solidjs/solid/commits)

---
updated-dependencies:
- dependency-name: solid-js
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

seeder/package.json

@@ -54,7 +54,7 @@
 		"postcss": "^8.4.41",
 		"prettier": "^3.3.2",
 		"prettier-plugin-tailwindcss": "^0.6.6",
-		"solid-js": "^1.8.20",
+		"solid-js": "^1.8.21",
 		"tailwind-merge": "^2.4.0",
 		"tailwindcss": "^3.4.9",
 		"terser": "^5.31.5",