chore: replace all cn comments of fe to en version by volc api (#320)

frontend/packages/studio/premium/premium-components-adapter/src/components/premium-paywall-banner/index.tsx

@@ -16,8 +16,8 @@
  
 export { useFetchKnowledgeBenefit } from './use-fetch-knowledge-benefit';
 export enum PremiumPaywallBannerScene {
-  Knowledge, // 知识库场景
-  Token, // 其余 Token 消耗场景
+  Knowledge, // Knowledge base scenario
+  Token, // Token consumption scenarios
 }
 
 export function PremiumPaywallBanner(_props: {