Bump json-ld from 3.1.8 to 3.1.9 (#15812)

Bumps [json-ld](https://github.com/ruby-rdf/json-ld) from 3.1.8 to 3.1.9.
- [Release notes](https://github.com/ruby-rdf/json-ld/releases)
- [Commits](https://github.com/ruby-rdf/json-ld/compare/3.1.8...3.1.9

)

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

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