Bump @octokit/endpoint in /examples/github/octokit-rest

Bumps [@octokit/endpoint](https://github.com/octokit/endpoint.js) from 10.1.2 to 10.1.3.
- [Release notes](https://github.com/octokit/endpoint.js/releases)
- [Commits](octokit/endpoint.js@v10.1.2...v10.1.3)

---
updated-dependencies:
- dependency-name: "@octokit/endpoint"
  dependency-type: indirect
...

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

Author: dependabot[bot]