Fix: Fix api page translation issue. #3221 (#6993)

### What problem does this PR solve?

Fix: Fix api page translation issue. #3221

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/locales/zh-traditional.ts

@@ -537,6 +537,7 @@ export default {
       model: '模型提供商',
       modelDescription: '在此設置模型參數和 API KEY。',
       team: '團隊',
+      api: 'API',
       logout: '登出',
       system: '系統',
       username: '使用者名稱',

web/src/locales/zh.ts

@@ -556,6 +556,7 @@ General：实体和关系提取提示来自 GitHub - microsoft/graphrag：基于
       team: '团队',
       system: '系统',
       logout: '登出',
+      api: 'API',
       username: '用户名',
       usernameMessage: '请输入用户名',
       photo: '头像',