Add OpenAI GPT-4.1 model family

[PeterDaveHello]

Reference:

• https://openai.com/index/gpt-4-1/
• https://platform.openai.com/docs/models/gpt-4.1

[Copilot]

Pull Request Overview

This PR introduces support for the new GPT-4.1 model family by adding corresponding model keys and definitions to the configuration.

• Added new entries for GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano to the chatgptApiModelKeys array.
• Extended the Models object with keyed definitions for the new GPT-4.1 models.

[PeterDaveHello]

/review

[qodo-code-review]

Qodo Merge was enabled for this repository. To continue using it, please link your Git account with your Qodo account here.

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ No major issues detected

[PeterDaveHello]

/improve

[qodo-code-review]

Qodo Merge was enabled for this repository. To continue using it, please link your Git account with your Qodo account here.

PR Code Suggestions ✨

No code suggestions found for the PR.