Bump sweetalert2 from 11.11.0 to 11.12.3 in /frontend

Bumps [sweetalert2](https://github.com/sweetalert2/sweetalert2) from 11.11.0 to 11.12.3.
- [Release notes](https://github.com/sweetalert2/sweetalert2/releases)
- [Changelog](https://github.com/sweetalert2/sweetalert2/blob/main/CHANGELOG.md)
- [Commits](sweetalert2/sweetalert2@v11.11.0...v11.12.3)

---
updated-dependencies:
- dependency-name: sweetalert2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

frontend/package.json

@@ -22,7 +22,7 @@
     "flowbite-svelte-icons": "^1.4.2",
     "nanoid": "^5.0.7",
     "svelte": "^4.2.11",
-    "sweetalert2": "^11.10.7",
+    "sweetalert2": "^11.12.3",
     "tailwindcss": "^3.4.5"
   },
   "author": "KJHJason"