Bump markdown-it and @types/markdown-it

Bumps [markdown-it](https://github.com/markdown-it/markdown-it) and [@types/markdown-it](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/markdown-it). These dependencies needed to be updated together.

Updates `markdown-it` from 13.0.1 to 14.1.0
- [Changelog](https://github.com/markdown-it/markdown-it/blob/master/CHANGELOG.md)
- [Commits](markdown-it/markdown-it@13.0.1...14.1.0)

Updates `@types/markdown-it` from 12.2.3 to 14.1.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/markdown-it)

---
updated-dependencies:
- dependency-name: markdown-it
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/markdown-it"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -622,7 +622,7 @@
     "express": "^5.0.0-beta.1",
     "front-matter": "4.0.2",
     "fs-jetpack": "^5.0.0",
-    "markdown-it": "^13.0.1",
+    "markdown-it": "^14.1.0",
     "markdown-it-abbr": "^2.0.0",
     "markdown-it-attribution": "^0.1.4",
     "markdown-it-attrs": "^4.2.0",
@@ -651,7 +651,7 @@
     "@types/glob": "^8.1.0",
     "@types/jest": "^27.4.1",
     "@types/jest-expect-message": "^1.1.0",
-    "@types/markdown-it": "12.2.3",
+    "@types/markdown-it": "14.1.2",
     "@types/node": "^22.8.6",
     "@types/plantuml-encoder": "^1.4.2",
     "@types/request": "^2.48.12",