Add cron scheduling

Signed-off-by: Mike Chang <[email protected]>

.github/workflows/archive-repo.yaml

@@ -6,6 +6,9 @@ name: Archive repos
 on:
   # Allows you to run this workflow manually from the Actions tag
   workflow_dispatch:
+  # Runs on a schedule. cron time is based on UTC
+  schedule:
+    - cron: "0 7 * * *"
 
 permissions:
   contents: write
@@ -65,4 +68,4 @@ jobs:
           tag: ${{ steps.vars.outputs.archive_file }}
           body: |
             ${{ steps.vars.outputs.latest_log }}
-          artifacts: ${{ steps.vars.outputs.archive_file }}.tar*
+          artifacts: ${{ steps.vars.outputs.archive_file }}.tar*