logging statement error

[Royalton]

https://github.com/deepset-ai/haystack-core-integrations/blame/f823609416abd5e703afc731bf27bd84449d4f23/integrations/google_vertex/src/haystack_integrations/components/embedders/google_vertex/document_embedder.py#L232

This should be a debug statement not an info, in addition it is missing the "f" to format the string and include the value of total_tokens currently it is just showing the argument name.

[anakin87]

Hello! Your comment makes sense...
Would you like to open a PR to fix that?