fix(ci): replace unsupported negative lookahead in grep pattern with simpler filter

Author: Magic-Man-us

.github/workflows/ci.yml

@@ -66,7 +66,7 @@ jobs:
         shell: bash
         run: |
           set -euo pipefail
-          if grep -R --line-number -E "\beval\(|\bexec\(|pickle\.loads|yaml\.load(?!_safe)|subprocess\.(Popen|call)" python_project_deployment/ tests/ || true; then
+          if grep -rn -E '\beval\(|\bexec\(|pickle\.loads|yaml\.load\(|subprocess\.(Popen|call)\(' python_project_deployment/ tests/ 2>/dev/null | grep -v 'yaml\.load_safe' || true; then
             echo "⚠️ Potentially dangerous API usage detected. Please review." >&2
             exit 2
           fi