Bump marked from 15.0.12 to 16.1.1

Bumps [marked](https://github.com/markedjs/marked) from 15.0.12 to 16.1.1.
- [Release notes](https://github.com/markedjs/marked/releases)
- [Changelog](https://github.com/markedjs/marked/blob/master/.releaserc.json)
- [Commits](markedjs/marked@v15.0.12...v16.1.1)

---
updated-dependencies:
- dependency-name: marked
  dependency-version: 16.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -51,7 +51,7 @@
     "ejs": "^3.1.10",
     "express": "^5.1.0",
     "express-session": "^1.18.1",
-    "marked": "^15.0.12",
+    "marked": "^16.1.1",
     "openai": "^5.3.0",
     "picomatch": "^4.0.2",
     "zod": "^3.25.63"