Bump the metalsmith group across 1 directory with 4 updates

Bumps the metalsmith group with 4 updates in the / directory: [marked](https://github.com/markedjs/marked), [marked-gfm-heading-id](https://github.com/markedjs/marked-gfm-heading-id), [marked-highlight](https://github.com/markedjs/marked-highlight) and [marked-smartypants](https://github.com/markedjs/marked-smartypants).


Updates `marked` from 13.0.3 to 14.1.0
- [Release notes](https://github.com/markedjs/marked/releases)
- [Changelog](https://github.com/markedjs/marked/blob/master/.releaserc.json)
- [Commits](markedjs/marked@v13.0.3...v14.1.0)

Updates `marked-gfm-heading-id` from 4.0.0 to 4.1.0
- [Release notes](https://github.com/markedjs/marked-gfm-heading-id/releases)
- [Changelog](https://github.com/markedjs/marked-gfm-heading-id/blob/main/release.config.cjs)
- [Commits](markedjs/marked-gfm-heading-id@v4.0.0...v4.1.0)

Updates `marked-highlight` from 2.1.3 to 2.1.4
- [Release notes](https://github.com/markedjs/marked-highlight/releases)
- [Changelog](https://github.com/markedjs/marked-highlight/blob/main/release.config.cjs)
- [Commits](markedjs/marked-highlight@v2.1.3...v2.1.4)

Updates `marked-smartypants` from 1.1.7 to 1.1.8
- [Release notes](https://github.com/markedjs/marked-smartypants/releases)
- [Changelog](https://github.com/markedjs/marked-smartypants/blob/main/release.config.cjs)
- [Commits](markedjs/marked-smartypants@v1.1.7...v1.1.8)

---
updated-dependencies:
- dependency-name: marked
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: metalsmith
- dependency-name: marked-gfm-heading-id
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: metalsmith
- dependency-name: marked-highlight
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: metalsmith
- dependency-name: marked-smartypants
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: metalsmith
...

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

package.json

@@ -81,10 +81,10 @@
     "jstransformer-marked": "^1.4.0",
     "jstransformer-nunjucks": "^1.2.0",
     "lint-staged": "^15.2.9",
-    "marked": "^13.0.3",
-    "marked-gfm-heading-id": "^4.0.0",
-    "marked-highlight": "^2.1.3",
-    "marked-smartypants": "^1.1.7",
+    "marked": "^14.1.0",
+    "marked-gfm-heading-id": "^4.1.0",
+    "marked-highlight": "^2.1.4",
+    "marked-smartypants": "^1.1.8",
     "metalsmith": "^2.6.3",
     "metalsmith-canonical": "^1.2.0",
     "multimatch": "^7.0.0",