Bump @actions/github from 4.0.0 to 5.0.0 (#34)

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)

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