Restrict from Running on Forks

.github/workflows/scorecards.yml

@@ -14,6 +14,7 @@ permissions: read-all
 jobs:
   analysis:
     name: Scorecards analysis
+    if: github.repository == 'facebook/zstd'
     runs-on: ubuntu-latest
     permissions:
       # Needed to upload the results to code-scanning dashboard.