Bump markdown-it from 11.0.1 to 12.3.2

Bumps [markdown-it](https://github.com/markdown-it/markdown-it) from 11.0.1 to 12.3.2.
- [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@11.0.1...12.3.2)

---
updated-dependencies:
- dependency-name: markdown-it
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -17,7 +17,7 @@
     "core-js": "^2.6.5",
     "gh-pages": "^3.1.0",
     "gray-matter": "^4.0.2",
-    "markdown-it": "^11.0.1",
+    "markdown-it": "^12.3.2",
     "portal-vue": "^2.1.0",
     "tailwindcss": "^1.0.0-beta.4",
     "vue": "^2.6.6",