Update dependency lucide-svelte to ^0.548.0 (#65)

Author: renovate[bot]

chat-ui/package-lock.json

@@ -20,7 +20,7 @@
     "vite": "^7.1.11"
   },
   "dependencies": {
-    "lucide-svelte": "^0.546.0",
+    "lucide-svelte": "^0.548.0",
     "marked": "^16.3.0",
     "mermaid": "^11.12.0",
     "panzoom": "^9.4.3"