Take portal v0.4.0

Four releases on from v0.3.36: maps and `place:`, a reply to a case
mail becoming a note on its record, and the access policy's newer
rules. iris moves with it, since it is the lint for exactly this
portal.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -18,7 +18,7 @@ on:
       - .gitea/workflows/deploy.yml
 
 env:
-  PORTAL_RELEASE: v0.3.36
+  PORTAL_RELEASE: v0.4.0
   INSTANCE: uhhm-portal
 
 jobs: