chore: bump version to 2.18.1 and update AppBreadcrumbs component (#386)

- Incremented application version from 2.18.0 to 2.18.1 in package.json.
- Refactored AppBreadcrumbs component to use Next.js Link for improved navigation.

packages/next/package.json

@@ -21,7 +21,7 @@
     "@kit/supabase": "workspace:*",
     "@kit/tsconfig": "workspace:*",
     "@supabase/supabase-js": "2.58.0",
-    "next": "15.5.4",
+    "next": "15.5.5",
     "zod": "^3.25.74"
   },
   "typesVersions": {