chore: Generate changelog for v5.0.16

changes/v5.0.16-en.md

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+# v5.0.16
+
+## Enhancements
+
+
+
+## Bug fixes
+
+- [#9824](https://github.com/emqx/emqx/pull/9824) The `topics/{topic}` API endpoint would return `500 - Internal Error` if a topic had multiple routes. This is fixed by returning a list of routes.
+
+- [#9832](https://github.com/emqx/emqx/pull/9832) Improve error log when bridge in 'sync' mode timed out to get response.
+
+- [#9834](https://github.com/emqx/emqx/pull/9834) Allow `mqtt.idle_timeout` to be set to `infinity`
+
+- [#9839](https://github.com/emqx/emqx/pull/9839) Make sure that the content of an Authorization header that users have specified for a webhook bridge is not printed to log files.
+
+- [#9884](https://github.com/emqx/emqx/pull/9884) Do not resume all buffer workers on successful health check of any individual resource.
+  Previously after any successful healthcheck, all buffer workers (for all resources) were resumed

changes/v5.0.16-zh.md

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+# v5.0.16
+
+## 增强
+
+
+
+## 修复
+
+- [#9824](https://github.com/emqx/emqx/pull/9824) 修复：当存在多个路由信息时，topics/{topic} 将会返回 500 - Internal Error 的问题，现在将会正确的返回路由信息列表。
+
+- [#9832](https://github.com/emqx/emqx/pull/9832) 优化桥接同步资源调用超时情况下的一个错误日志。
+
+- [#9834](https://github.com/emqx/emqx/pull/9834) 允许配置项 `mqtt.idle_timeout` 设置成 `infinity`
+
+- [#9839](https://github.com/emqx/emqx/pull/9839) 确保用户为webhook-bridge指定的Authorization-HTTP-header的内容不会被打印到日志文件。
+
+- [#9884](https://github.com/emqx/emqx/pull/9884) 不在任意一个资源健康检查成功时恢复所有资源发送缓存。
+  在此修复之前，在任意一个资源成功进行健康检查后，所有资源的缓存都会尝试恢复。