Update scorecard.yml

Author: soumeh01

.github/workflows/scorecard.yml

@@ -1,5 +1,6 @@
 name: Scorecard security
 on:
+  workflow_dispatch:
   # For Branch-Protection check. Only the default branch is supported. See
   # https://github.com/ossf/scorecard/blob/main/docs/checks.md#branch-protection
   branch_protection_rule: