Bump markdown-it from 8.4.2 to 9.0.1 in /api

Bumps [markdown-it](https://github.com/markdown-it/markdown-it) from 8.4.2 to 9.0.1.
- [Release notes](https://github.com/markdown-it/markdown-it/releases)
- [Changelog](https://github.com/markdown-it/markdown-it/blob/master/CHANGELOG.md)
- [Commits](markdown-it/markdown-it@8.4.2...9.0.1)

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

api/package.json

@@ -45,7 +45,7 @@
     "highlight.js": "^9.15.8",
     "html-pdf": "^2.2.0",
     "jsonwebtoken": "^8.5.1",
-    "markdown-it": "^8.4.2",
+    "markdown-it": "^9.0.1",
     "markdown-it-abbr": "^1.0.4",
     "markdown-it-container": "^2.0.0",
     "markdown-it-deflist": "^2.0.3",