docs: update installation warning

[maximepvrt]

🔗 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

[pkg-pr-new]

Open in StackBlitz

npm i https://pkg.pr.new/@nuxt/image@2061

commit: 2ed4d38

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 6.99%. Comparing base (e40539a) to head (2ed4d38).

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #2061   +/-   ##
=====================================
  Coverage   6.99%   6.99%           
=====================================
  Files         78      78           
  Lines       3629    3629           
  Branches     140     140           
=====================================
  Hits         254     254           
  Misses      3326    3326           
  Partials      49      49           

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[danielroe]

thank you! ❤️