fix(deps): update markdown-it requirement from 9.0.1 to 9.1.0

Updates the requirements on [markdown-it](https://github.com/markdown-it/markdown-it) to permit the latest version.
- [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@9.0.1...9.1.0)

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

package.json

@@ -49,7 +49,7 @@
     "inquirer": "6.5.1",
     "js-yaml": "3.13.1",
     "make-dir": "3.0.0",
-    "markdown-it": "9.0.1",
+    "markdown-it": "9.1.0",
     "optimist": "0.6.1",
     "proxyquire": "2.1.3",
     "ramda": "0.26.1",