Update docker.io/pretalx/standalone Docker tag to v2025.2.3

Check entry for pve01 instead of no longer present entry for
club-assistant for the auth-dns ccchh.net check.

resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2

@@ -33,7 +33,7 @@ services:
       - pretalx_net
 
   pretalx:
-    image: docker.io/pretalx/standalone:v2025.1.0
+    image: docker.io/pretalx/standalone:v2025.2.3
     entrypoint: gunicorn
     command:
       - "pretalx.wsgi"
@@ -78,7 +78,7 @@ services:
       - pretalx_net
 
   celery:
-    image: docker.io/pretalx/standalone:v2025.1.0
+    image: docker.io/pretalx/standalone:v2025.2.3
     command:
       - taskworker
     restart: unless-stopped

resources/external/status/docker_compose/config/services-chaosknoten.yaml

@@ -75,11 +75,11 @@ endpoints:
     conditions:
       - "[DNS_RCODE] == NOERROR"
 
-  - name: auth-dns (club-assistant.ccchh.net)
+  - name: auth-dns (pve01.ccchh.net)
     url: "auth-dns.hamburg.ccc.de"
     <<: *services_chaosknoten_defaults
     dns:
-      query-name: "club-assistant.ccchh.net"
+      query-name: "pve01.ccchh.net"
       query-type: "AAAA"
     conditions:
       - "[DNS_RCODE] == NOERROR"