refactor(icons): changed messages-square icon

[jguddas]

What is the purpose of this pull request?

• Other: Icon update

Description

Optimized arcs.

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

Icon Diffs

Icons as code

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

const MessagesSquareIcon = createLucideIcon('MessagesSquare', [
  ["path",{"d":"M14 9a2 2 0 0 1-2 2H6l-4 4V4a2 2 0 0 1 2-2h8a2 2 0 0 1 2 2z"}],
  ["path",{"d":"M18 9h2a2 2 0 0 1 2 2v11l-4-4h-6a2 2 0 0 1-2-2v-1"}]
])