transformers

95510ab0 - Fix missing None default values for Gemma3n model in get_placeholder_mask (#39991) (#40024)

Fix missing None default values for Gemma3n model in get_placeholder_mask (#39991) (#40024) * Fix missing None default values for Gemma3n model in get_placeholder_mask (#39991) * Switched definition of optional from| None to Optiona[] (Issue #39991) --------- Co-authored-by: Laurenz Ruzicka <Laurenz.Ruzicka@ait.ac.at>