Update release-3.5 changelog

Fully address CVE-2023-45288 and fix govulncheck CI check

Reference:
- #18170

Signed-off-by: Chun-Hung Tseng <henrybear327@gmail.com>

CHANGELOG/CHANGELOG-3.5.md

@@ -8,7 +8,7 @@ Previous change logs can be found at [CHANGELOG-3.4](https://github.com/etcd-io/
 
 ### Dependencies
 - Compile binaries using [go 1.21.11](https://github.com/etcd-io/etcd/pull/18129).
-
+- [Fully address CVE-2023-45288 and fix govulncheck CI check](https://github.com/etcd-io/etcd/pull/18170)
 
 ## v3.5.14 (2024-05-29)