Librarian Bot: Update dataset YAML metadata for model

This is a pull request to add a dataset, [`codeparrot/codecomplex`](https://huggingface.co/datasets/codeparrot/codecomplex), to the metadata for your model (defined in the `YAML` block of your model's `README.md`).
The pull request was made by [librarian-bot](https://huggingface.co/librarian-bot) and used a combination of rules and/or machine learning to suggest this additional metadata.
If this suggestion is incorrect, feel free to close this pull request.

Librarian Bot was made by [@davanstrien](https://huggingface.co/davanstrien); feel free to get in touch with feedback.

README.md

@@ -1,4 +1,5 @@
 ---
 license: apache-2.0
+datasets: codeparrot/codecomplex
 ---
 This is a fine-tuned version of [codeparrot-small-multi](https://huggingface.co/codeparrot/codeparrot-small-multi), a 110M multilingual model for code generation, on [CodeComplex](https://huggingface.co/datasets/codeparrot/codecomplex), a dataset for complexity prediction of Java code.