feat: Remove octokit

[ieedan]

Describe the feature

We actually only make 2 calls with it and it just adds so much weight. So whenever I get the chance I am just gonna replace it by calling the rest api directly.

Validations

• I have checked other issues to see if my feature was already requested or added

[ieedan]

See https://unjs.io/packages/ungh#reposownernamefilesbranchpath