Update GitHub API integration using Octokit to improve types for the contributors list

[nickspaargaren]

What

This PR updates the Github contributor list and avatars API requests to use GitHub's own request.js package (https://github.com/octokit/request.js/) to properly type the response and eliminate all any types.

How to test (Locally)

• Checkout this branch
• Run pnpm install
• Run pnpm run dev
• Navigate to http://localhost:3000
• Make sure examples section loads as expected.

How to test (Preview app)

• Navigate to Vercels preview app
• Make sure examples section loads as expected.

[vercel[bot]]

@nickspaargaren is attempting to deploy a commit to the openai Team on Vercel.

A member of the Team first needs to authorize it.