chore(deps-dev): Bump rdf-test-suite from 1.25.0 to 2.1.4 (#574)

* chore(deps-dev): Bump rdf-test-suite from 1.25.0 to 2.1.4

Bumps [rdf-test-suite](https://github.com/rubensworks/rdf-test-suite.js) from 1.25.0 to 2.1.4.
- [Changelog](https://github.com/rubensworks/rdf-test-suite.js/blob/master/CHANGELOG.md)
- [Commits](rubensworks/rdf-test-suite.js@v1.25.0...v2.1.4)

---
updated-dependencies:
- dependency-name: rdf-test-suite
  dependency-version: 2.1.4
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

* chore(deps-dev): Bump rdf-test-suite from 1.25.0 to 2.1.4 (#575)

* chore(deps-dev): Bump rdf-test-suite from 1.25.0 to 2.1.4

Bumps [rdf-test-suite](https://github.com/rubensworks/rdf-test-suite.js) from 1.25.0 to 2.1.4.
- [Changelog](https://github.com/rubensworks/rdf-test-suite.js/blob/master/CHANGELOG.md)
- [Commits](rubensworks/rdf-test-suite.js@v1.25.0...v2.1.4)

---
updated-dependencies:
- dependency-name: rdf-test-suite
  dependency-version: 2.1.4
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

* Initial plan

* ci: restrict spec tests to Node 18+ for rdf-test-suite v2 compatibility

Co-authored-by: jeswr <63333554+jeswr@users.noreply.github.com>
Agent-Logs-Url: https://github.com/rdfjs/N3.js/sessions/dafd6c0e-1f1e-4ff0-9d75-beb67ae4ec5f

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: jeswr <63333554+jeswr@users.noreply.github.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>
Co-authored-by: jeswr <63333554+jeswr@users.noreply.github.com>

Author: 3 people

.github/workflows/ci.yml

@@ -44,7 +44,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [12.x, 14.x, 16.x, 18.x, 20.x, 22.x, 24.x]
+        node-version: [18.x, 20.x, 22.x, 24.x]
         spec: [1-1-turtle, 1-1-ntriples, 1-1-nquads, 1-1-trig, 1-2-turtle, 1-2-ntriples, 1-2-nquads, 1-2-trig]
     steps:
       - name: Use Node.js ${{ matrix.node-version }}