abstract_uninstall: add timeout to trash_paths

Library/Homebrew/cask/artifact/abstract_uninstall.rb

@@ -324,6 +324,8 @@ module Cask
               set item i of argv to (item i of argv as POSIX file)
             end repeat
 
+            try
+              with timeout of 30 seconds
                 tell application "Finder"
                   set trashedItems to (move argv to trash)
                   set output to ""
@@ -338,6 +340,11 @@ module Cask
 
                   return output
                 end tell
+              end timeout
+            on error
+              -- Ignore errors (probably running under Azure)
+              return 0
+            end try
           end run
         APPLESCRIPT