build(deps-dev): bump tailwindcss from 4.1.11 to 4.1.12 in /frontend

Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/tailwindcss) from 4.1.11 to 4.1.12.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.1.12/packages/tailwindcss)

---
updated-dependencies:
- dependency-name: tailwindcss
  dependency-version: 4.1.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

frontend/package.json

@@ -99,7 +99,7 @@
     "cypress": "^14.5.2",
     "nyc": "^17.1.0",
     "process": "^0.11.10",
-    "tailwindcss": "^4.1.11",
+    "tailwindcss": "^4.1.12",
     "typescript": "^5.8.3",
     "vite": "^7.0.6"
   },