chore(deps): bump markdown-it and markdownlint-cli2 (#31)

Bumps [markdown-it](https://github.com/markdown-it/markdown-it) to 14.1.1 and updates ancestor dependency [markdownlint-cli2](https://github.com/DavidAnson/markdownlint-cli2). These dependencies need to be updated together.


Updates `markdown-it` from 14.1.0 to 14.1.1
- [Changelog](https://github.com/markdown-it/markdown-it/blob/master/CHANGELOG.md)
- [Commits](markdown-it/markdown-it@14.1.0...14.1.1)

Updates `markdownlint-cli2` from 0.19.1 to 0.21.0
- [Changelog](https://github.com/DavidAnson/markdownlint-cli2/blob/main/CHANGELOG.md)
- [Commits](DavidAnson/markdownlint-cli2@v0.19.1...v0.21.0)

---
updated-dependencies:
- dependency-name: markdown-it
  dependency-version: 14.1.1
  dependency-type: indirect
- dependency-name: markdownlint-cli2
  dependency-version: 0.21.0
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -29,6 +29,6 @@
   "homepage": "https://github.com/jentic/api-ai-readiness-framework#readme",
   "devDependencies": {
     "cspell": "^9.3.2",
-    "markdownlint-cli2": "^0.19.1"
+    "markdownlint-cli2": "^0.21.0"
   }
 }