build(deps-dev): bump tailwindcss from 3.4.14 to 3.4.15 in /frontend

Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss) from 3.4.14 to 3.4.15.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/v3.4.15/CHANGELOG.md)
- [Commits](tailwindlabs/tailwindcss@v3.4.14...v3.4.15)

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

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

Author: dependabot[bot]

frontend/package-lock.json

@@ -83,7 +83,7 @@
     "rimraf": "^6.0.1",
     "storybook": "^8.4.4",
     "storybook-react-i18next": "^3.1.7",
-    "tailwindcss": "^3.4.14",
+    "tailwindcss": "^3.4.15",
     "typescript": "5.6.3",
     "vite": "5.4.11",
     "vite-plugin-compression": "^0.5.1",