fix(icons): changed key-square icon

[jguddas]

What is the purpose of this pull request?

• Other: Icon update

Description

Arcified and cleaned up icon.

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 KeySquareIcon = createLucideIcon('KeySquare', [
  ["path",{"d":"M12.4 2.7a2.5 2.5 0 0 1 3.4 0l5.5 5.5a2.5 2.5 0 0 1 0 3.4l-3.7 3.7a2.5 2.5 0 0 1-3.4 0L8.7 9.8a2.5 2.5 0 0 1 0-3.4z"}],
  ["path",{"d":"m14 7 3 3"}],
  ["path",{"d":"m9.4 10.6-6.814 6.814A2 2 0 0 0 2 18.828V21a1 1 0 0 0 1 1h3a1 1 0 0 0 1-1v-1a1 1 0 0 1 1-1h1a1 1 0 0 0 1-1v-1a1 1 0 0 1 1-1h.172a2 2 0 0 0 1.414-.586l.814-.814"}]
])