🐛 Fix crontab entry

Co-authored-by: Jim Madge <[email protected]>

.github/workflows/update_docker_versions.yaml

@@ -6,7 +6,7 @@ on:  # yamllint disable-line rule:truthy
   push:
     branches: [develop]
   schedule:
-    - cron: "0 0 */7 * *"  # run once per week
+    - cron: "0 3 * * 1"  # run at 3:00 every Monday
   workflow_dispatch:  # allow this workflow to be manually triggered
 
 # checkout needs 'contents:read'