Merge branch 'renovate/nginx-1.x' into 'master'

Update nginx Docker tag to v1.25

See merge request !41

verwaltung/docker_jameica/templates/docker-compose.yml

@@ -36,7 +36,7 @@ services:
 
 
   nginx:
-    image: nginx:1.19
+    image: nginx:1.25
     restart: always
     depends_on:
       - vnc

webserver/docker_mail/templates/docker-compose.yml

@@ -185,7 +185,7 @@ services:
       - "{{ basedir }}/mailman-web:/opt/mailman-web-data:rw,z"
 
   mailman-nginx:
-    image: nginx:1.19
+    image: nginx:1.25
     restart: always
     depends_on:
       - mailman-web