chore(deps-dev): bump turbo from 2.8.10 to 2.8.12 in /frontend (#2457)

Bumps [turbo](https://github.com/vercel/turborepo) from 2.8.10 to 2.8.12.
- [Release notes](https://github.com/vercel/turborepo/releases)
- [Changelog](https://github.com/vercel/turborepo/blob/main/RELEASE.md)
- [Commits](vercel/turborepo@v2.8.10...v2.8.12)

---
updated-dependencies:
- dependency-name: turbo
  dependency-version: 2.8.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

frontend/package-lock.json

@@ -20,7 +20,7 @@
     "build:elements:dev": "turbo build:dev --filter=./elements"
   },
   "devDependencies": {
-    "turbo": "^2.8.10"
+    "turbo": "^2.8.12"
   },
   "packageManager": "npm@11.6.2"
 }