changed the port that volunka uses from 3546 to 3456

stack/vikunja.yml

@@ -51,7 +51,7 @@ services:
     hostname: proxy
     image: nginx
     ports:
-      - 3546:80
+      - 3456:80
     volumes:
       - /portainer/Files/AppData/Config/Vikunja/nginx.conf:/etc/nginx/conf.d/default.conf:ro
     networks: