build(deps-dev): bump linkinator from 2.13.0 to 2.13.4

Bumps [linkinator](https://github.com/JustinBeckwith/linkinator) from 2.13.0 to 2.13.4.
- [Release notes](https://github.com/JustinBeckwith/linkinator/releases)
- [Commits](JustinBeckwith/linkinator@v2.13.0...v2.13.4)

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

Author: dependabot[bot]