Handle also 429 status code when being throttled

[tenjaa]

Solves https://github.com/octokit/plugin-throttling.js/issues/739

[wolfy1339]

It seems you have some linting issues, can you take care of those? Otherwise, it looks good to me

[tenjaa]

I ran lint:fix and looks like the test is green now

[github-actions[bot]]

:tada: This PR is included in version 9.3.2 :tada:

The release is available on:

• GitHub release
• npm package (@latest dist-tag)

Your semantic-release bot :package::rocket: