Bump @types/react-dom from 18.2.18 to 18.2.21

Bumps [@types/react-dom](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-dom) from 18.2.18 to 18.2.21.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-dom)

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

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

package.json

@@ -74,7 +74,7 @@
     "@types/node": "^20",
     "@types/react": "^18.2.48",
     "@types/react-blockies": "^1.4.4",
-    "@types/react-dom": "^18.2.18",
+    "@types/react-dom": "^18.2.21",
     "@types/request-ip": "^0.0.41",
     "@typescript-eslint/eslint-plugin": "^6.19.0",
     "@typescript-eslint/parser": "^6.19.0",