chore: improve PR template

[tobiasdiez]

🔗 Linked issue

❓ 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)
• [ ] ✨ New feature (a non-breaking change that adds functionality)
• [ ] 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• [ ] ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Remove the type of change block since it is unnecessary.

[netlify[bot]]

👷 Deploy request for nuxt-storybook pending review.

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🔨 Latest commit	a96dc279a5dacd1654c565005d8e1ce031704aa8