chore: update @internationalized/date to 3.12.0

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/frontend/package.json

@@ -15,7 +15,7 @@
     "@sexy.pivoine.art/buttplug": "workspace:*",
     "@iconify-json/ri": "^1.2.10",
     "@iconify/tailwind4": "^1.2.1",
-    "@internationalized/date": "^3.11.0",
+    "@internationalized/date": "^3.12.0",
     "@lucide/svelte": "^0.561.0",
     "@sveltejs/adapter-node": "^5.5.4",
     "@sveltejs/adapter-static": "^3.0.10",