Bump @octokit/core from 5.1.0 to 6.0.1

Bumps [@octokit/core](https://github.com/octokit/core.js) from 5.1.0 to 6.0.1.
- [Release notes](https://github.com/octokit/core.js/releases)
- [Commits](octokit/core.js@v5.1.0...v6.0.1)

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

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