Add `print` to `delete_old_binaries.py`

ci/delete_old_binaries.py

@@ -12,6 +12,7 @@ def main():
     print(f"Looking for binaries to delete older than {days_to_keep} days")
 
     files_lines = execute_cli(f"b2 ls --long --versions {bucket} nightly").split("\n")
+    print(files_lines)
     for x in files_lines:
         parts = [y for y in x.split(' ') if y]