chore: upgrade deps and GitHub Actions for Node.js 24 (#889)

chore: upgrade dependencies and GitHub Actions for Node.js 24 compatibility

Upgrade GitHub Actions to fix Node.js 20 deprecation warnings:
- actions/checkout v4 → v6
- actions/setup-node v4 → v6
- pnpm/action-setup v3 → v4
- docker/login-action v3 → v4
- docker/setup-qemu-action v3 → v4
- docker/setup-buildx-action v3 → v4
- docker/build-push-action v5 → v7
- node-version 20 → 22, pnpm 8 → 10

Upgrade project dependencies:
- frontend: vue 3.5.30, naive-ui 2.44.1, dompurify 3.3.3, @unhead/vue 2.1.12
- worker: hono 4.12.7, @cloudflare/workers-types, typescript-eslint 8.57.0
- all: wrangler 4.72.0

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

vitepress-docs/package.json

@@ -4,9 +4,9 @@
   "version": "1.5.0",
   "type": "module",
   "devDependencies": {
-    "@types/node": "^25.3.5",
+    "@types/node": "^25.4.0",
     "vitepress": "^1.6.4",
-    "wrangler": "^4.71.0"
+    "wrangler": "^4.72.0"
   },
   "scripts": {
     "dev": "vitepress dev docs",