chore: Update docker-compose.yml

Author: l4rm4nd

examples/vouchervault/docker-compose.yml

@@ -1,10 +1,10 @@
 services:
 
   vouchervault:
-    image: l4rm4nd/vouchervault:1.7.x
+    image: l4rm4nd/vouchervault:1.12.x
     container_name: vouchervault
     environment:
-      # your FQDN or IP; used to define ALLOWED_HOSTS and CSRF_TRUSTED_ORIGINS
+      # your FQDN or IP; multiple ones supported via comma delimiter
       - DOMAIN=vouchervault.example.com
       # set to True if you use a reverse proxy with tls; enables secure cookie flag and hsts
       - SECURE_COOKIES=False