fix: upgrade btn style

web/app/components/header/plan-badge/index.tsx

@@ -21,7 +21,7 @@ const PlanBadge: FC<PlanBadgeProps> = ({ plan, allowHover, sandboxAsUpgrade = fa
     return <PremiumBadge className='select-none' color='blue' allowHover={allowHover} onClick={onClick}>
       <SparklesSoft className='flex h-3.5 w-3.5 items-center py-[1px] pl-[3px] text-components-premium-badge-indigo-text-stop-0' />
       <div className='system-xs-medium'>
-        <span className='p-1'>
+        <span className='whitespace-nowrap p-1'>
           {t('billing.upgradeBtn.encourageShort')}
         </span>
       </div>