Ensure that a semgrep failure does not stop the workflow

Author: billnapier

.github/workflows/action_scanning.yml

@@ -26,7 +26,7 @@ jobs:
           path: action_scanning
       - name: 'Run Actions semgrep scan'
         run: 'semgrep scan --sarif --config action_scanning/semgrep-rules --config "p/github-actions"
-          >> semgrep-results-actions.sarif'
+          --sarif-output semgrep-results-actions.sarif || true'
       - name: 'Save Actions SARIF results as artifact'
         uses: 'actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02' # ratchet:actions/upload-artifact@v4
         with: