Update docker.io/library/mariadb Docker tag to v12

resources/chaosknoten/auth-dns/zones/ccchh.net.zone

@@ -47,6 +47,9 @@ unifi          A    10.89.213.21
 ; Club-Services
 ;
 xr18           A    172.31.200.29
+dooris         A    172.31.200.16
+               AAAA 2a07:c481:1:d0::1c
+hmdooris-ccu   A    172.31.200.17
 
 ;club-assistant                  AAAA  2a07:c481:1:d0::a
 ;;_acme-challenge.club-assistant CNAME d50ad73a-f82d-4244-87f0-6f5195b37d21.auth.acmedns.hamburg.ccc.de
@@ -56,9 +59,7 @@ xr18           A    172.31.200.29
 ;_acme-challenge.light           CNAME e59f55ee-9013-469d-a146-a159721b6fea.auth.acmedns.hamburg.ccc.de.
 ;light-werkstatt                 AAAA  2a07:c481:1:d0::16
 ;_acme-challenge.light-werkstatt CNAME f408acc0-d9f5-4525-bb01-28938e3bb7d0.auth.acmedns.hamburg.ccc.de.
-;hmdooris-ccu                    A     10.31.208.202
 ;buba                            A     10.31.211.137
-;dooris                          AAAA  2a07:c481:1:d0::1c
 ;_acme-challenge.dooris          CNAME 37caae1f-b77f-4eb1-aa71-dc3f7ed24360.auth.acmedns.hamburg.ccc.de.
 ;yate                            A     10.31.208.12
 ;staubiv2                        A     10.31.210.233

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

@@ -3,7 +3,7 @@
 
 services:
   database:
-    image: docker.io/library/mariadb:11
+    image: docker.io/library/mariadb:12
     environment:
       - "MARIADB_DATABASE=wordpress"
       - "MARIADB_ROOT_PASSWORD={{ secret__mariadb_root_password }}"