build(deps-dev): bump prettier from 3.8.4 to 3.9.1

Bumps [prettier](https://github.com/prettier/prettier) from 3.8.4 to 3.9.1.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.8.4...3.9.1)

---
updated-dependencies:
- dependency-name: prettier
  dependency-version: 3.9.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -45,7 +45,7 @@
 		"globals": "^17.6.0",
 		"jsdom": "^29.1.1",
 		"mdsvex": "^0.12.7",
-		"prettier": "^3.8.4",
+		"prettier": "^3.9.1",
 		"prettier-plugin-svelte": "^4.1.1",
 		"prettier-plugin-tailwindcss": "^0.8.0",
 		"svelte": "^5.56.3",