Bump markdownlint-cli2 from 0.15.0 to 0.16.0

Bumps [markdownlint-cli2](https://github.com/DavidAnson/markdownlint-cli2) from 0.15.0 to 0.16.0.
- [Changelog](https://github.com/DavidAnson/markdownlint-cli2/blob/main/CHANGELOG.md)
- [Commits](DavidAnson/markdownlint-cli2@v0.15.0...v0.16.0)

---
updated-dependencies:
- dependency-name: markdownlint-cli2
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -8,7 +8,7 @@
     "@11ty/eleventy": "2.0.1",
     "@11ty/eleventy-plugin-directory-output": "1.0.1",
     "@11ty/eleventy-plugin-syntaxhighlight": "5.0.0",
-    "markdownlint-cli2": "0.15.0"
+    "markdownlint-cli2": "0.16.0"
   },
   "scripts": {
     "build": "npx markdownlint-cli2 && npx @11ty/eleventy",