ci: fix cask description to pass brew doctor lint (#102)

Updated description for Coder Desktop in Homebrew cask

Change-Id: Ieed479ea7d73ba4bb86ae3105a870970bfd60e58
Signed-off-by: Thomas Kosiewski <[email protected]>

Author: ThomasK33

scripts/update-cask.sh

@@ -99,7 +99,7 @@ cask "coder-desktop${SUFFIX}" do
 
   url "https://github.com/coder/coder-desktop-macos/releases/download/$([ "$IS_PREVIEW" = true ] && echo "${TAG}" || echo "v#{version}")/CoderDesktop.pkg"
   name "Coder Desktop"
-  desc "Coder Desktop client"
+  desc "Native desktop client for Coder"
   homepage "https://github.com/coder/coder-desktop-macos"
 
   conflicts_with cask: "coder/coder/${CONFLICTS_WITH}"