Add IBM Granite Embedding Model results

[aashka-trivedi]

Checklist

• Run tests locally to make sure nothing is broken using make test.
• Run the results files checker make pre-push.

Adding a model checklist

Ref # PR 1613

• I have added model implementation to mteb/models/ directory. Instruction to add a model can be found here

[aashka-trivedi]

HI @Samoed -- since this PR has been merged, I do not see the model results on the Leaderboard- Is there something Ive missed? Thanks!

[Samoed]

We're currently developing a new version of the leaderboard that pulls results from the results repository, but it's still under development and requires a restart: Leaderboard 2.0 Demo.

To appear on the 'old' leaderboard, the simplest way is to add your model's results to its model card using mteb create_meta.

[aashka-trivedi]

Thanks, done-- is there any action needed after modifying the model card metadata?

[Samoed]

No, results will appear soon