Improve changelog for 4.13.4 (#2783)

Author: aldas

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 ## v4.13.4 - 2025-05-22
 
+**Enhancements**
+
+* chore: fix some typos in comment by @zhuhaicity in https://github.com/labstack/echo/pull/2735
+* CI: test with Go 1.24 by @aldas in https://github.com/labstack/echo/pull/2748
+* Add support for TLS WebSocket proxy by @t-ibayashi-safie in https://github.com/labstack/echo/pull/2762
+
 **Security**
 
 * Update dependencies for [GO-2025-3487](https://pkg.go.dev/vuln/GO-2025-3487), [GO-2025-3503](https://pkg.go.dev/vuln/GO-2025-3503) and [GO-2025-3595](https://pkg.go.dev/vuln/GO-2025-3595) in https://github.com/labstack/echo/pull/2780