Chore: frontend infrastructure upgrade (#16420)

Co-authored-by: NFish <douxc512@gmail.com>
Co-authored-by: zxhlyh <jasonapring2015@outlook.com>
Co-authored-by: twwu <twwu@dify.ai>
Co-authored-by: jZonG <jzongcode@gmail.com>

web/app/components/workflow/nodes/variable-assigner/components/add-variable/index.tsx

@@ -61,14 +61,14 @@ const AddVariable = ({
           <div
             className={cn(
               'group/addvariable flex items-center justify-center',
-              'w-4 h-4 cursor-pointer',
+              'h-4 w-4 cursor-pointer',
               'hover:rounded-full hover:bg-primary-600',
               open && '!rounded-full !bg-primary-600',
             )}
           >
             <Plus02
               className={cn(
-                'w-2.5 h-2.5 text-gray-500',
+                'h-2.5 w-2.5 text-gray-500',
                 'group-hover/addvariable:text-white',
                 open && '!text-white',
               )}