refactor: remove Vercel references and update dependencies

- Removed Vercel from skills and theme descriptions.
- Updated theme description to only mention JetBrains Mono.
- Changed deployment references from Vercel to Cloudflare in multiple locales.
- Updated package dependencies:
  - @iconify-json/devicon from 1.2.44 to 1.2.45
  - @tailwindcss/typography from 0.5.18 to 0.5.19
  - vue from 3.5.21 to 3.5.22
  - @types/node from 24.5.2 to 24.6.0
  - vue-tsc from 3.0.8 to 3.1.0

app/app.vue

@@ -1,7 +1,4 @@
 <script lang="ts" setup>
-import { Analytics } from '@vercel/analytics/nuxt'
-import { SpeedInsights } from '@vercel/speed-insights/nuxt'
-
 useHead({
   link: [{ rel: 'icon', type: 'image/webp', href: '/favicon.webp' }],
 })
@@ -48,8 +45,6 @@ const head = useLocaleHead()
       }"
     />
     <NuxtPage />
-    <SpeedInsights />
-    <Analytics />
   </UApp>
 </template>