fix(SETI-959): bump @actions/github from 4.0.0 to 5.0.0 (#22)

* chore(deps): bump @actions/github from 4.0.0 to 5.0.0

Bumps [@actions/github](https://github.com/actions/toolkit/tree/HEAD/packages/github) from 4.0.0 to 5.0.0.
- [Release notes](https://github.com/actions/toolkit/releases)
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/github/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/github)

Signed-off-by: dependabot[bot] <[email protected]>

* fix(SETI-959): update code to adapt to new octokit

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Kao Félix <[email protected]>