Update extern/utils submodule to latest commit

riccardodebenedictis · riccardodebenedictis · commit 20cd1c48673d · 2025-01-31T11:08:46.000+01:00
diff --git a/extern/utils b/extern/utils
@@ -1 +1 @@
-Subproject commit 507feffca8947b8ca58ac797246300ab8b6b4331
+Subproject commit ff961d56ceaef86c28e7b9b5af1a2ab3c8cc9cac
