chore: limpar builds antigos com sudo

.github/workflows/ci-cd-web-desktop.yml

@@ -236,7 +236,11 @@ jobs:
 
       - name: Cleanup old build workdirs (keep last 3)
         run: |
-          ls -1dt $HOME/apps/sistema.build.* 2>/dev/null | tail -n +4 | xargs -r rm -rf || true
+          set -e
+          find "$HOME/apps" -maxdepth 1 -type d -name 'sistema.build.*' | sort -r | tail -n +4 | while read dir; do
+            echo "Removing $dir"
+            sudo rm -rf "$dir"
+          done || true
 
       - name: Restart web service with new code
         run: |