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/ui/package.json

@@ -33,7 +33,7 @@
     "class-variance-authority": "^0.7.1",
     "date-fns": "^4.1.0",
     "eslint": "^9.35.0",
-    "next": "15.5.4",
+    "next": "15.5.5",
     "next-themes": "0.4.6",
     "prettier": "^3.6.2",
     "react-day-picker": "^9.11.0",