build(deps-dev): bump typedoc from 0.25.12 to 0.26.9 (#2775)

Bumps [typedoc](https://github.com/TypeStrong/TypeDoc) from 0.25.12 to 0.26.9.
- [Release notes](https://github.com/TypeStrong/TypeDoc/releases)
- [Changelog](https://github.com/TypeStrong/typedoc/blob/master/CHANGELOG.md)
- [Commits](TypeStrong/typedoc@v0.25.12...v0.26.9)

---
updated-dependencies:
- dependency-name: typedoc
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>