Added changelog for version 26.03.1.

Author: jlesage

appdefs.yml

@@ -186,6 +186,12 @@ app:
           > to `BETA`. See the [Environment Variables](#environment-variables) section for
           > more details.
   changelog:
+    - version: 26.03.1
+      date: 2026-03-14
+      changes:
+        - 'Updated baseimage to version 4.11.3, bringing the following changes:'
+        - '2:Enable xcompmgr output only when debug is enabled.'
+        - '2:Enhanced self-signed certificates by including the Subject Alternative Name (SAN) and using the container hostname instead of a dummy domain name.'
     - version: 26.02.3
       date: 2026-02-22
       changes: