Bump @types/markdown-it from 12.0.2 to 12.2.0 (#281)

Bumps [@types/markdown-it](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/markdown-it) from 12.0.2 to 12.2.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/markdown-it)

---
updated-dependencies:
- dependency-name: "@types/markdown-it"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

web/package.json

@@ -31,7 +31,7 @@
   "devDependencies": {
     "@types/chart.js": "^2.9.32",
     "@types/classnames": "^2.3.1",
-    "@types/markdown-it": "^12.0.2",
+    "@types/markdown-it": "^12.2.0",
     "@types/node": "^16.6.1",
     "@types/prop-types": "^15.7.3",
     "@types/react": "^17.0.11",