fix: add mouse pointer to buttons

[adefreitas]

Summary by cubic

Sets the mouse cursor to pointer for all buttons by upgrading our UI library. Improves click affordance and matches expected button behavior.

• Dependencies
  • Bumped @stackone/malachite from ^0.5.1 to ^0.5.2.

[Copilot]

Pull Request Overview

This PR appears to be focused on fixing mouse pointer display for buttons, though the changes shown only include package.json formatting and dependency updates.

• Reformatted the "files" array to use inline syntax
• Updated @stackone/malachite dependency from ^0.5.1 to ^0.5.2

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