Add link to the CVE.

Co-authored-by: davidegirardi <16451191+davidegirardi@users.noreply.github.com>

Author: bmarty

CHANGES.md

@@ -3,7 +3,7 @@ Changes in Element v1.6.34 (2025-03-07)
 
 Security fixes 🔐
 -----------------
-- Fix for [GHSA-632v-9pm3-m8ch](https://github.com/element-hq/element-android/security/advisories/GHSA-632v-9pm3-m8ch) / CVE-2025-27606
+- Fix for [GHSA-632v-9pm3-m8ch](https://github.com/element-hq/element-android/security/advisories/GHSA-632v-9pm3-m8ch) / [CVE-2025-27606](https://www.cve.org/CVERecord?id=CVE-2025-27606)
 
 Changes in Element v1.6.32 (2025-02-18)
 =======================================