Bump marked-gfm-heading-id from 3.1.2 to 3.1.3

Bumps [marked-gfm-heading-id](https://github.com/markedjs/marked-gfm-heading-id) from 3.1.2 to 3.1.3.
- [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@v3.1.2...v3.1.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -62,7 +62,7 @@
     "firebase": "^10.8.0",
     "lit": "^2.8.0",
     "marked": "^9.1.6",
-    "marked-gfm-heading-id": "^3.1.2",
+    "marked-gfm-heading-id": "^3.1.3",
     "pwa-helpers": "^0.9.1",
     "register-service-worker": "^1.7.2",
     "web-vitals": "^3.5.2"