fix: watch plugins directory

[Barbapapazes]

🔗 Linked issue

fix #1799

❓ Type of change

• 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• 🐞 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)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

📝 Checklist

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

[codecov]

Codecov Report

Merging #1800 (7b2b66c) into main (d656ea0) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #1800   +/-   ##
=======================================
  Coverage   76.41%   76.41%           
=======================================
  Files          76       76           
  Lines        8046     8047    +1     
  Branches      810      810           
=======================================
+ Hits         6148     6149    +1     
  Misses       1896     1896           
  Partials        2        2           

Files	Coverage Δ
src/build.ts	83.77% <100.00%> (+0.02%)	⬆️

[pi0]

Thanks!