Migrate to the new GitHub.Octokit.SDK package

[alexrp]

• https://github.blog/2024-01-03-our-move-to-generated-sdks
• https://www.nuget.org/packages/GitHub.Octokit.SDK

[alexrp]

Blocker:

• https://github.com/octokit/dotnet-sdk/issues/24

Not technically a blocker, but not much motivation to migrate to end up with messier code:

• https://github.com/octokit/dotnet-sdk/issues/27

[alexrp]

Timeout setting has been added. Now just semi-blocked on a friendly API for release asset uploads.