re-enable the weekly image builds cron (#505)

Author: tomschlick

.github/workflows/action_publish-images-production.yml

@@ -4,9 +4,8 @@ on:
   workflow_dispatch:
   release:
     types: [released]
-  # Commenting out until 3.x is launched
-  # schedule:
-  #   - cron: '0 8 * * 2'
+  schedule:
+    - cron: '0 8 * * 2'
 
 jobs:
   build-production-images:
@@ -15,4 +14,4 @@ jobs:
       registry-repositories: "docker.io/serversideup/php,ghcr.io/serversideup/php"
       tag-prefix: ''
       release-type: "latest"
-    secrets: inherit
+    secrets: inherit