fix(icons): added rounding to and renamed paintbrush-2

[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 PaintbrushVerticalIcon = createLucideIcon('PaintbrushVertical', [
  ["path",{"d":"M10 2v2"}],
  ["path",{"d":"M14 2v4"}],
  ["path",{"d":"M17 2a1 1 0 0 1 1 1v9H6V3a1 1 0 0 1 1-1z"}],
  ["path",{"d":"M6 12a1 1 0 0 0-1 1v1a2 2 0 0 0 2 2h2a1 1 0 0 1 1 1v2.9a2 2 0 1 0 4 0V17a1 1 0 0 1 1-1h2a2 2 0 0 0 2-2v-1a1 1 0 0 0-1-1"}]
])