rubocops/cask: arch stanzas come before & are separate to on_#{arch}

- https://github.com/Homebrew/brew/pull/14976#issuecomment-1469002998.
- This drops the number of offenses currently in the Cask repo down from
  111 to 46.

Library/Homebrew/rubocops/cask/constants/stanza.rb

@@ -6,7 +6,8 @@ module RuboCop
     # Constants available globally for use in all cask cops.
     module Constants
       STANZA_GROUPS = [
-        [:on_arm, :on_intel, :arch, :on_arch_conditional],
+        [:arch, :on_arch_conditional],
+        [:on_arm, :on_intel],
         [:version, :sha256],
         [:language],
         [:url, :appcast, :name, :desc, :homepage],