formula: sort installed version in to_hash

https://github.com/Homebrew/homebrew-brewdler/pull/43#discussion_r24248760

Closes Homebrew/homebrew#36611.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Library/Homebrew/formula.rb

@@ -614,6 +614,8 @@ class Formula
           "poured_from_bottle" => tab.poured_from_bottle
         }
       end
+
+      hsh["installed"].sort_by! { |i| Version.new(i["version"]) }
     end
 
     hsh