chore: replace "manager role" with "administrator role" (#11395)

# Which Problems Are Solved

As part of the naming consistency initiative, the term `Manager Roles`
is replaced by `Administrator Roles`

# How the Problems Are Solved

By replacing `Manager Roles` with `Administrator Roles` in API docs,
Console UI, and guides.

# Additional Changes
N/A

# Additional Context
- Closes https://github.com/zitadel/zitadel/issues/11293

---------

Co-authored-by: Copilot <[email protected]>

console/src/assets/i18n/zh.json

@@ -1160,7 +1160,7 @@
       "SECRETREMOVED": "秘密被成功删除!"
     },
     "MEMBERSHIPS": {
-      "TITLE": "ZITADEL 管理角色",
+      "TITLE": "ZITADEL 管理员角色",
       "DESCRIPTION": "这些都是用户成员授权。您还可以在组织、项目或 IAM 详细信息页面上修改它们。",
       "ORGCONTEXT": "您会看到与当前所选组织相关的所有组织和项目。",
       "USERCONTEXT": "您会看到您被授权的所有组织和项目。包括其他组织。",