Bump markdown-it from 12.1.0 to 12.3.2

Bumps [markdown-it](https://github.com/markdown-it/markdown-it) from 12.1.0 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@12.1.0...12.3.2)

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

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

Author: dependabot[bot]

package-lock.json

@@ -55,7 +55,7 @@
         "eslint-config-prettier": "^8.3.0",
         "eslint-plugin-import": "^2.20.1",
         "eslint-plugin-prettier": "^3.4.0",
-        "markdown-it": "^12.1.0",
+        "markdown-it": "^12.3.2",
         "minimist": ">=1.2.2",
         "mocha": "^6.1.4",
         "nunjucks": "^3.2.1",