Bump markdown-it from 10.0.0 to 12.3.2

Bumps [markdown-it](https://github.com/markdown-it/markdown-it) from 10.0.0 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@10.0.0...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

@@ -22,7 +22,7 @@
     "eleventy-plugin-seo": "github:daviddarnes/eleventy-plugin-seo",
     "fast-glob": "^3.2.4",
     "gray-matter": "^4.0.2",
-    "markdown-it": "^10.0.0",
+    "markdown-it": "^12.3.2",
     "markdown-it-anchor": "^7.0.2",
     "marked": "^1.2.9",
     "node-fetch": "^2.6.1",