Should we allow changing the chatGPT model

[phucspikeup]

This seems to be hardcoded and not able to change from the config yaml file?
https://github.com/robusta-dev/kubernetes-chatgpt-bot/blob/main/chatgpt_robusta_actions/chat_gpt.py#L24

[aantn]

Hi, @phucspikeup.
Sorry for not replying until now. Definitely worth exposing. Feel free to open a PR!