chore(deps): bump marked from 17.0.5 to 18.0.0

Bumps [marked](https://github.com/markedjs/marked) from 17.0.5 to 18.0.0.
- [Release notes](https://github.com/markedjs/marked/releases)
- [Commits](markedjs/marked@v17.0.5...v18.0.0)

---
updated-dependencies:
- dependency-name: marked
  dependency-version: 18.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -56,7 +56,7 @@
     "commander": "^14.0.3",
     "handlebars": "^4.7.9",
     "libsodium-wrappers": "^0.8.2",
-    "marked": "^17.0.5",
+    "marked": "^18.0.0",
     "openai": "^6.33.0",
     "sanitize-html": "^2.17.2",
     "satori": "^0.26.0",