iexplorer: fix livecheck

Co-authored-by: Klaus Hipp <[email protected]>

Casks/i/iexplorer.rb

@@ -8,13 +8,13 @@
   homepage "https://macroplant.com/iexplorer"
 
   livecheck do
-    url "https://macroplant.com/iexplorer/mac/v#{version.csv.first.major}/appcast"
+    url "https://macroplant.com/iexplorer/appcast"
     regex(%r{/(\d+)/iExplorer[._-]v?(\d+(?:\.\d+)+)\.dmg}i)
-    strategy :sparkle do |item, regex|
-      match = item.url.match(regex)
+    strategy :page_match do |page, regex|
+      match = page.match(regex)
       next if match.blank?
 
-      "#{item.version},#{match[1]}"
+      "#{match[2]},#{match[1]}"
     end
   end