GitLab

* change version field formatting in metadata

* mention versioning in new task guide

* add instructions for changelog

* run linters

* Add IFEval task

* Check and download nltk punkt if not already downloaded

* Update gen_max_toks to 2048 to support "900 words+" instructions

* Resolve pre-commit linting issues

* Reduce max_gen_toks to 1280 to conserve token usage

* Add warning message in `process_results` call for non chat-finetuned models