align model_card_templates.py with code

[amitport]

See:

sentence-transformers/sentence_transformers/models/Pooling.py

Line 163 in 348190d

attention_mask.unsqueeze(-1).expand(token_embeddings.size()).to(token_embeddings.dtype)

sentence-transformers/sentence_transformers/models/Pooling.py

Line 170 in 348190d

attention_mask.unsqueeze(-1).expand(token_embeddings.size()).to(token_embeddings.dtype)

[tomaarsen]

Hello!

These are not frequently used anymore, but I still see no reason not to fix this. Well spotted!
I'll merge this once the tests go green.

• Tom Aarsen