build(deps): bump markdown-it from 8.4.2 to 12.3.2

Bumps [markdown-it](https://github.com/markdown-it/markdown-it) from 8.4.2 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@8.4.2...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

@@ -81,7 +81,7 @@
     "le_node": "^1.7.0",
     "localStorage": "^1.0.4",
     "lodash": "^4.17.10",
-    "markdown-it": "^8.4.1",
+    "markdown-it": "^12.3.2",
     "markdown-it-sub": "^1.0.0",
     "markdown-it-sup": "^1.0.0",
     "moment": "^2.22.2",