o1 series models: max_tokens is deprecated in favor of max_completion_tokens

**o1** series models: **max_tokens is deprecated** in favor of **max_completion_tokens**
See also:
[community.openai.com](https://community.openai.com/t/why-was-max-tokens-changed-to-max-completion-tokens/938077/4)
[Documentation - Controlling costs](https://platform.openai.com/docs/guides/reasoning/controlling-costs#controlling-costs)