fix: set roles to all for security-guard workflow

Co-authored-by: Mossaka <5447827+Mossaka@users.noreply.github.com>

Author: Copilot

.github/workflows/security-guard.lock.yml

@@ -4,6 +4,7 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
   workflow_dispatch:
+roles: all
 permissions:
   contents: read
   pull-requests: read