build(deps): bump @octokit/types from 12.5.0 to 12.6.0

Bumps [@octokit/types](https://github.com/octokit/types.ts) from 12.5.0 to 12.6.0.
- [Release notes](https://github.com/octokit/types.ts/releases)
- [Commits](octokit/types.ts@v12.5.0...v12.6.0)

---
updated-dependencies:
- dependency-name: "@octokit/types"
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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