chore: add workflow_dispatch flag to scorecard workflow

Author: carpasse

.github/workflows/scorecard.yml

@@ -13,6 +13,7 @@ on:
     - cron: '16 21 * * 1'
   push:
     branches: [ "master" ]
+  workflow_dispatch:
 
 # Declare default permissions as read only.
 permissions: read-all