fix(icons): added rounding to paintbrush

[karsa-mistmere]

What is the purpose of this pull request?

• Bug fix

Before Submitting

• I've read the Contribution Guidelines.
• I've checked if there was an existing PR that solves the same issue.

[github-actions]

Added or changed icons

Preview cohesion

Preview stroke widths

DPI Preview (24px)

Icon X-rays

Icons as code

Works for: lucide-react, lucide-react-native, lucide-preact, lucide-vue-next

const PaintbrushIcon = createLucideIcon('Paintbrush', [
  ["path",{"d":"m14.622 17.897-10.68-2.913"}],
  ["path",{"d":"M18.376 2.622a1 1 0 1 1 3.002 3.002L17.36 9.643a.5.5 0 0 0 0 .707l.944.944a2.41 2.41 0 0 1 0 3.408l-.944.944a.5.5 0 0 1-.707 0L8.354 7.348a.5.5 0 0 1 0-.707l.944-.944a2.41 2.41 0 0 1 3.408 0l.944.944a.5.5 0 0 0 .707 0z"}],
  ["path",{"d":"M9 8c-1.804 2.71-3.97 3.46-6.583 3.948a.507.507 0 0 0-.302.819l7.32 8.883a1 1 0 0 0 1.185.204C12.735 20.405 16 16.792 16 15"}]
])