brew: add the cuadriver cask (Cua Driver).

Claude-Session: https://claude.ai/code/session_01EUeFkmwbQiDYckNDVFh2nQ

Author: pattobrien

brew/personal/Brewfile

@@ -103,6 +103,8 @@ cask "chromium"
 cask "claude"
 # Free app that makes your Internet safer
 cask "cloudflare-warp"
+# Background desktop automation driver for AI agents
+cask "cuadriver"
 # OpenAI's coding agent that runs in your terminal
 cask "codex"
 # Node-based image, video and audio generator