Language.replace_listeners: Pass the replaced listener and the tok2vec pipe to the callback

[shadeMe]

Description

Prior to this PR, Language.replace_listeners only passed the copied tok2vec/transformer model to the replace_listener callback. This worked for spacy-transformers as the library only uses a single TransformerListener class, i.e., the replacement model was always the same. However, spacy-curated-transformers introduces the concept of different listener classes for downstream components. So, the replacement process needs to provide extra information about the listener model being replaced to correctly select the target model.

This PR adds support for such situations by passing the following extra arguments to the replace_listener callback: the replaced listener instance and the tok2vec pipe whose model is copied into the downstream component. These argumentss are only passed when the callback accepts them, so the implementation is backwards-compatible with the callback used in spacy-transformers.

Types of change

Enhancement

Checklist

• I confirm that I have the right to submit this contribution under the project's MIT license.
• I ran the tests, and all new and existing tests passed.
• My changes don't require a change to the documentation, or if they do, I've added all required information.

[svlandeg]

Looks good!

There's nowhere in the public docs that we need to update, right?

[shadeMe]

There's nowhere in the public docs that we need to update, right?

No, I don't believe so.