Fix: truffle hog, invalid commit hash. (#564)

Signed-off-by: Kunal Singh <[email protected]>

Author: KunalSin9h

.github/workflows/secret_scan.yml

@@ -20,6 +20,6 @@ jobs:
         uses: trufflesecurity/trufflehog@8b6f55b592e46ac44a42dc3e3dee0ebcc0f56df5
         with:
           path: ./
-          base: main
-          head: HEAD
+          base: ${{ github.event.pull_request.base.sha }}
+          head: ${{ github.event.pull_request.head.sha }}