Update content/changelog/2025/11-26-keycloak-26.4.6.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: davlgd

content/changelog/2025/11-26-keycloak-26.4.6.md

@@ -1,6 +1,6 @@
 ---
 title: Keycloak 26.4.6 is available (security release)
-description: Group regexp mapper and HTTP Get request mapper plugins are now available in Keycloak on Clever Cloud
+description: Keycloak 26.4.6 security release with CVE-2025-13467 fix and LDAP referral filtering is now available on Clever Cloud
 date: 2025-11-26
 tags:
   - addons