Enable a workflow with OpenSSF Scorecard report to be triggered manually (#2573)

The PR adds `workflow_dispatch` to `openssf-scorecard.yml` workflow.

Author: antonwolfy

.github/workflows/openssf-scorecard.yml

@@ -7,13 +7,16 @@ on:
   # 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:
+  # To be able to be triggered manually
+  workflow_dispatch:
   # To guarantee Maintained check is occasionally updated. See
   # https://github.com/ossf/scorecard/blob/main/docs/checks.md#maintained
   schedule:
     - cron: '28 2 * * 1'
     - cron: '28 2 * * 4'
   push:
-    branches: [ "master" ]
+    branches:
+      - master
 
 # Declare default permissions as read only.
 permissions: read-all