Bump @octokit/core from 4.2.0 to 5.0.2

Bumps [@octokit/core](https://github.com/octokit/core.js) from 4.2.0 to 5.0.2.
- [Release notes](https://github.com/octokit/core.js/releases)
- [Commits](octokit/core.js@v4.2.0...v5.0.2)

---
updated-dependencies:
- dependency-name: "@octokit/core"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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