chore: add changelog

changes/v5.0.10-en.md

@@ -36,3 +36,7 @@
 
 - Fix incorrect topic authorize checking of delayed messages [#9290](https://github.com/emqx/emqx/pull/9290).
   Now will determine the actual topic of the delayed messages, e.g. `$delayed/1/t/foo` will be treated as `t/foo` in authorize checks.
+
+- Add property `code` to error response for `/authentication/sources/:type` [9299](https://github.com/emqx/emqx/pull/9299).
+
+- Align documentation for `/authentication/sources` with what we actually send [9299](https://github.com/emqx/emqx/pull/9299).

changes/v5.0.10-zh.md

@@ -34,3 +34,7 @@
 
 - 修复延迟消息的主题授权判断不正确的问题 [#9290](https://github.com/emqx/emqx/pull/9290)。
   现在将会对延迟消息中的真实主题进行授权判断，比如，`$delayed/1/t/foo` 会被当作 `t/foo` 进行判断。
+
+- 为 API `/authentication/sources/:type` 的返回值增加 `code` 字段 [9299](https://github.com/emqx/emqx/pull/9299)。
+
+- 对其文档，`/authentication/sources` 接口的文档仅列出已经支持的资源 [9299](https://github.com/emqx/emqx/pull/9299)。