build(deps-dev): bump @octokit/core from 5.2.0 to 5.2.1

Bumps [@octokit/core](https://github.com/octokit/core.js) from 5.2.0 to 5.2.1.
- [Release notes](https://github.com/octokit/core.js/releases)
- [Commits](octokit/core.js@v5.2.0...v5.2.1)

---
updated-dependencies:
- dependency-name: "@octokit/core"
  dependency-version: 5.2.1
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]