fix: clear timeout when asyncData request finishes and aborts

[wattanx]

🔗 Linked issue

Fixes: #1219

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

The timer from the previous request may remain, which could cancel the next request. Therefore, I have made sure to clear the timer at the end of the request.

ref: nuxt/nuxt#27308

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.