Update TruffleHog workflow to use main branch

Author: isaiah-grafana

.github/workflows/org-required-trufflehog.yml

@@ -18,10 +18,10 @@ permissions:
 jobs:
   secret-scan:
     name: TruffleHog Secret Scan
-    uses: grafana/security-github-actions/.github/workflows/reusable-trufflehog.yml@fix/update-runner-to-x64-large
+    uses: grafana/security-github-actions/.github/workflows/reusable-trufflehog.yml@main
     with:
       # Monitoring mode - no blocking, just reporting
       fail-on-verified: "false"      # Don't block on verified secrets (monitoring only)
       fail-on-unverified: "false"    # Don't block on unverified secrets
       runs-on: ${{ !github.event.repository.private && 'ubuntu-latest' || 'ubuntu-arm64-small' }}    # Use same runner pattern as zizmor
-    secrets: inherit
+    secrets: inherit