ipartition: add livecheck (#97761)

Casks/ipartition.rb

@@ -12,5 +12,11 @@ cask "ipartition" do
   desc "Disk partitioning tool"
   homepage "https://coriolis-systems.com/iPartition/"
 
+  livecheck do
+    url :homepage
+    strategy :page_match
+    regex(%r{href=.*?/iPartition-(\d+(?:\.\d+)*)\.dmg}i)
+  end
+
   app "iPartition.app"
 end