Bump @types/react from 18.2.20 to 18.2.21 in /notegraf-web (#545)

Bumps [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react) from 18.2.20 to 18.2.21.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

---
updated-dependencies:
- dependency-name: "@types/react"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

notegraf-web/package.json

@@ -47,7 +47,7 @@
     "@types/katex": "^0.16.2",
     "@types/lodash": "^4.14.196",
     "@types/marked": "^5.0.0",
-    "@types/react": "^18.2.20",
+    "@types/react": "^18.2.21",
     "@types/react-dom": "^18.2.7",
     "http-proxy-middleware": "^2.0.6",
     "parcel": "^2.8.3",