[chore] Replace Semaphore recommendation with Pinafore. (#3586)

Neither Semaphore nor Pinafore are under active development, but
Semaphore has archived its repository while Pinafore still gets
occasional minor maintenance.

Enafore has newer features, but it has accessibility bugs affecting
screen readers that prevent it from being recommended at this time.

docs/locales/zh/getting_started/reverse_proxy/websocket.md

@@ -1,6 +1,6 @@
 # WebSocket
 
-GoToSocial 使用安全的 [WebSocket 协议](https://en.wikipedia.org/wiki/WebSocket)（即 `wss`）来通过客户端应用程序（如 Semaphore）实现贴文和通知的实时更新。
+GoToSocial 使用安全的 [WebSocket 协议](https://en.wikipedia.org/wiki/WebSocket)（即 `wss`）来通过客户端应用程序（如 Pinafore）实现贴文和通知的实时更新。
 
 为了使用此功能，你需要确保配置 GoToSocial 所在的代理允许 WebSocket 连接通过。