Add support for syncing single containers

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

.github/workflows/sync.yaml

@@ -9,6 +9,9 @@ on:
       shift:
         description: 'Commits to shift if you edited the containers folder'     
         default: '0'
+      container:
+        description: 'Sync only the container specified'     
+        default: ''
 jobs:
   build:
     name: Trigger Site Rebuild
@@ -20,4 +23,4 @@ jobs:
           token: ${{ secrets.BITNAMI_BOT_SECRET }}
           fetch-depth: 0
       - name: Fetch
-        run: ./scripts/fetch-commits.sh ${{ github.event.inputs.shift }} 
+        run: ./scripts/fetch-commits.sh ${{ github.event.inputs.shift }} ${{ github.event.inputs.container }}