Add security advisory notice for CVE-2025-26625.

Author: chrisd8088

_includes/home/secondary.html

@@ -3,8 +3,8 @@
 
     <div class="column">
       <a class="dot-com-announcement" data-ga-params="banner"
-         href="https://github.com/git-lfs/git-lfs/security/advisories/GHSA-q6r2-x2cc-vrp7">
-        Git LFS security update: <span>All users should update to 3.6.1</span>.</a>
+         href="https://github.com/git-lfs/git-lfs/security/advisories/GHSA-6pvw-g552-53c5">
+        Git LFS security update: <span>All users should update to 3.7.1</span>.</a>
       </a>
     </div>