Add ability to provide shift parameter to the action

Signed-off-by: Miguel A. Cabrera Minagorri <mcabrera@vmware.com>

.github/workflows/sync.yaml

@@ -1,13 +1,14 @@
 name: Sync containers repositories
 
 on:
-#  schedule:
-#    # Every day at 1 AM
-#    - cron: '0 1 * * *'
+  schedule:
+    # Every day at 1 AM
+    - cron: '0 1 * * *'
   workflow_dispatch:
     inputs:
-      tags:
-        description: 'Test manually'
+      shift:
+        description: 'Commits to shift if you edited the containers folder'     
+        default: '0'
 jobs:
   build:
     name: Trigger Site Rebuild
@@ -18,4 +19,4 @@ jobs:
         with:
           token: ${{ secrets.BITNAMI_BOT_SECRET }}
       - name: Fetch
-        run: ./scripts/fetch-commits.sh
+        run: ./scripts/fetch-commits.sh ${{ github.event.inputs.shift }}