「👷」 ci: change to monthly release

Author: KeyZox71

.github/workflows/docker-image.yml

@@ -5,7 +5,7 @@ on:
     branches:
       - main
   schedule:
-    - cron: '0 0 * * 1'  # This will run the action every Monday at midnight UTC
+    - cron: '0 0 1 * *'  # This will run the action every Monday at midnight UTC
 
 jobs:
   build: