feat: upgrade version to v1.2.0 (#784)

* feat: upgrade version to v1.2.0

- Update version number to 1.2.0 in all package.json files
- Add v1.2.0 placeholder in CHANGELOG.md with custom SQL cleanup feature
- Upgrade dependencies

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

* fix: update @unhead/vue import path for v2.x compatibility

Change import from '@unhead/vue' to '@unhead/vue/client' for createHead

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

---------

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

frontend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "cloudflare_temp_email",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "private": true,
   "type": "module",
   "scripts": {
@@ -22,8 +22,8 @@
   "dependencies": {
     "@fingerprintjs/fingerprintjs": "^5.0.1",
     "@simplewebauthn/browser": "10.0.0",
-    "@unhead/vue": "^1.11.20",
-    "@vueuse/core": "^12.8.2",
+    "@unhead/vue": "^2.0.19",
+    "@vueuse/core": "^14.1.0",
     "@wangeditor/editor": "^5.1.23",
     "@wangeditor/editor-for-vue": "^5.1.12",
     "axios": "^1.13.2",
@@ -35,21 +35,21 @@
     "vue": "^3.5.25",
     "vue-clipboard3": "^2.0.0",
     "vue-i18n": "^11.2.2",
-    "vue-router": "^4.6.3"
+    "vue-router": "^4.6.4"
   },
   "devDependencies": {
     "@vicons/fa": "^0.13.0",
     "@vicons/material": "^0.13.0",
-    "@vitejs/plugin-vue": "^5.2.4",
-    "unplugin-auto-import": "^19.3.0",
-    "unplugin-vue-components": "^28.8.0",
-    "vite": "^6.4.1",
+    "@vitejs/plugin-vue": "^6.0.2",
+    "unplugin-auto-import": "^20.3.0",
+    "unplugin-vue-components": "^30.0.0",
+    "vite": "^7.2.7",
     "vite-plugin-pwa": "^1.2.0",
     "vite-plugin-top-level-await": "^1.6.0",
     "vite-plugin-wasm": "^3.5.0",
     "workbox-build": "^7.4.0",
     "workbox-window": "^7.4.0",
-    "wrangler": "^4.53.0"
+    "wrangler": "^4.54.0"
   },
   "packageManager": "pnpm@10.10.0+sha512.d615db246fe70f25dcfea6d8d73dee782ce23e2245e3c4f6f888249fb568149318637dca73c2c5c8ef2a4ca0d5657fb9567188bfab47f566d1ee6ce987815c39"
 }