fix cron schedule.

Only run once at 5, not every minute

.github/workflows/docker_bullseye.yml

@@ -3,7 +3,7 @@ name: Test Install Scripts for Bullseye on Docker
 on:
   schedule:
     # run at 5 every sunday
-    - cron: '* 5 * * 0'
+    - cron: '0 5 * * 0'
   push:
     branches-ignore:
       - 'future3/**'

.github/workflows/docker_bullseye_altuser.yml

@@ -3,7 +3,7 @@ name: Test Install Scripts for Bullseye (alternative user) on Docker
 on:
   schedule:
     # run at 5 every sunday
-    - cron: '* 5 * * 0'
+    - cron: '0 5 * * 0'
   push:
     branches-ignore:
       - 'future3/**'

.github/workflows/docker_buster.yml

@@ -3,7 +3,7 @@ name: Test Install Scripts for Buster on Docker
 on:
   schedule:
     # run at 5 every sunday
-    - cron: '* 5 * * 0'
+    - cron: '0 5 * * 0'
   push:
     branches-ignore:
       - 'future3/**'