docs: add changelogs for PR 10076

changes/ce/fix-10076.en.md

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+Fix webhook bridge error handling: connection timeout should be a retriable error.
+Prior to this fix, connection timeout was clasified as unrecoverable error hence lead to request being dropped.

changes/ce/fix-10076.zh.md

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+修复 HTTP 桥接的一个异常处理：连接超时错误发生后，发生错误的请求可以被重试。
+在此修复前，连接超时后，被当作不可重试类型的错误处理，导致请求被丢弃。