chore(deps): bump @octokit/core from 4.2.0 to 4.2.4

Bumps [@octokit/core](https://github.com/octokit/core.js) from 4.2.0 to 4.2.4.
- [Release notes](https://github.com/octokit/core.js/releases)
- [Commits](octokit/core.js@v4.2.0...v4.2.4)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]