fix: uncomment DPF port waiting logic in waiting_services.sh

Author: germa89

.ci/waiting_services.sh

@@ -11,9 +11,9 @@ done
 echo "::endgroup::"
 echo "MAPDL service is up!"
 
-# echo "::group:: Waiting for the DPF port to be open..." 
-# while ! nc -z localhost "$DPF_PORT"; do
-#     sleep 0.1
-# done
+echo "::group:: Waiting for the DPF port to be open..." 
+while ! nc -z localhost "$DPF_PORT"; do
+    sleep 0.1
+done
 echo "::endgroup::"
 echo "DPF service is up!"