fix generate stars script

[JavierMatosD]

Before:

Error fetching stars for repo:  RequestError [HttpError]: Not Found
    at /Users/javiermatos/dev/vcpkg.github.io/node_modules/@octokit/request/dist-node/index.js:88:21
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async getGitHubStars (/Users/javiermatos/dev/vcpkg.github.io/scripts/generateGitHubStars.js:21:26)
    at async main (/Users/javiermatos/dev/vcpkg.github.io/scripts/generateGitHubStars.js:55:23) {
  status: 404,
  response: {
    url: 'https://api.github.com/repos/artem-ogre/CDT.git',
    status: 404,
    headers: {
     ...
    },
    data: {
      message: 'Not Found',
      documentation_url: 'https://docs.github.com/rest/repos/repos#get-a-repository'
    }
  },
  request: {
    method: 'GET',
    url: 'https://api.github.com/repos/artem-ogre/CDT.git',
    headers: {
      accept: 'application/vnd.github.v3+json',
      'user-agent': 'octokit-rest.js/19.0.4 octokit-core.js/4.0.5 Node.js/21',
      authorization: 'token [REDACTED]'
    },
    request: { hook: [Function: bound bound register] }
  }
}

The GitHub API does not use the .git extension.

This does not work - https://api.github.com/repos/artem-ogre/CDT.git
This does work - https://api.github.com/repos/artem-ogre/CDT

This just chops off the .git from the URls