perf: use waitUntil for async address activity updates (#826)

- Change updateAddressUpdatedAt to non-blocking async execution
- GET /api/mails, /api/settings, /user_api/settings no longer wait for DB update
- Improves response time for GET requests
- Also updates dependencies

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

vitepress-docs/package.json

@@ -4,9 +4,9 @@
   "version": "1.2.1",
   "type": "module",
   "devDependencies": {
-    "@types/node": "^25.0.10",
+    "@types/node": "^25.1.0",
     "vitepress": "^1.6.4",
-    "wrangler": "^4.60.0"
+    "wrangler": "^4.61.1"
   },
   "scripts": {
     "dev": "vitepress dev docs",