Fix ossf/scorecard-action action version.

Author: fabiocaccamo

.github/workflows/scorecard.yml

@@ -24,7 +24,7 @@ jobs:
           persist-credentials: false
 
       - name: Run Scorecard
-        uses: ossf/scorecard-action@v2
+        uses: ossf/scorecard-action@v2.4.3
         with:
           results_file: scorecard-results.sarif
           results_format: sarif