update for 8.4.1 release

Author: jmckenna

en/announcements/announcements_archive.txt

@@ -9,7 +9,8 @@
 The maintenance release of MapServer has been issued in order to fix
 a security flaw for WFS filters through OGR.
 See the :ref:`changelog <changelog-8-4-1>` for the list of changes. 
-You may also review MapServer's `Security Policy <https://github.com/MapServer/MapServer/blob/main/SECURITY.md>`__.
+You may also review MapServer's `Security Policy <https://github.com/MapServer/MapServer/blob/main/SECURITY.md>`__, 
+as well as this `Security Advisory <https://github.com/MapServer/MapServer/security/advisories/GHSA-256m-rx4h-r55w>`__.
 As security for the 7.6 branch has ended, and branches 8.2 & 8.0 are not supported, 
 all users are strongly encouraged to upgrade to the MapServer 8.4.1 release.
 

en/include/announcements.inc

@@ -3,7 +3,8 @@
 The maintenance release of MapServer has been issued in order to fix
 a security flaw for WFS filters through OGR.
 See the :ref:`changelog <changelog-8-4-1>` for the list of changes. 
-You may also review MapServer's `Security Policy <https://github.com/MapServer/MapServer/blob/main/SECURITY.md>`__.
+You may also review MapServer's `Security Policy <https://github.com/MapServer/MapServer/blob/main/SECURITY.md>`__, 
+as well as this `Security Advisory <https://github.com/MapServer/MapServer/security/advisories/GHSA-256m-rx4h-r55w>`__.
 As security for the 7.6 branch has ended, and branches 8.2 & 8.0 are not supported, 
 all users are strongly encouraged to upgrade to the MapServer 8.4.1 release.