Bump marked-gfm-heading-id from 4.1.2 to 4.1.3

Bumps [marked-gfm-heading-id](https://github.com/markedjs/marked-gfm-heading-id) from 4.1.2 to 4.1.3.
- [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@v4.1.2...v4.1.3)

---
updated-dependencies:
- dependency-name: marked-gfm-heading-id
  dependency-version: 4.1.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -21,7 +21,7 @@
     "esbuild": "^0.25.12",
     "highlight.js": "^11.11.1",
     "marked": "^16.4.1",
-    "marked-gfm-heading-id": "^4.1.2",
+    "marked-gfm-heading-id": "^4.1.3",
     "marked-highlight": "^2.2.2",
     "pdfjs-dist": "^5.4.394"
   }