Bump @microsoft/api-documenter from 7.26.1 to 7.26.3

Bumps [@microsoft/api-documenter](https://github.com/microsoft/rushstack/tree/HEAD/apps/api-documenter) from 7.26.1 to 7.26.3.
- [Changelog](https://github.com/microsoft/rushstack/blob/main/apps/api-documenter/CHANGELOG.md)
- [Commits](https://github.com/microsoft/rushstack/commits/@microsoft/api-documenter_v7.26.3/apps/api-documenter)

---
updated-dependencies:
- dependency-name: "@microsoft/api-documenter"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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